ground

base, basis, foundation, ground

名词 ground:

1. the solid part of the earth's surface
   同义词：land, dry land, earth, solid ground, terra firma
2. a rational motive for a belief or action
   同义词：reason
3. the loose soft material that makes up a large part of the land surface
   同义词：earth
4. a relation that provides the foundation for something
   同义词：footing, basis
5. a position to be won or defended in battle (or as if in battle)
6. the part of a scene (or picture) that lies behind objects in the foreground
   同义词：background
7. material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)
   同义词：land, soil
8. a relatively homogeneous percept extending back of the figure on which attention is focused
9. a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
   同义词：earth
10. (art) the surface (as a wall or canvas) prepared to take the paint for a painting
11. the first or preliminary coat of paint or size applied to a surface
    同义词：flat coat, primer, priming, primer coat, priming coat, undercoat

动词 ground:

1. fix firmly and stably
   同义词：anchor
2. confine or restrict to the ground
3. place or put on the ground
4. instruct someone in the fundamentals of a subject
5. bring to the ground
   同义词：run aground
6. hit or reach the ground
   同义词：run aground
7. throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage
8. hit a groundball
9. hit onto the ground
10. cover with a primer; apply a primer to
    同义词：prime, undercoat
11. connect to a ground
12. use as a basis for; found on
    同义词：establish, base, found

动词 grind:

1. press or grind with a crunching noise
   同义词：crunch, cranch, craunch, grind
2. make a grating or grinding sound by rubbing together
   同义词：grate, grind
3. reduce to small pieces or particles by pounding or abrading
   同义词：grind, mash, crunch, bray, comminute
4. work hard
   同义词：labor, labour, toil, fag, travail, grind, drudge, dig, moil
5. dance by rotating the pelvis in an erotically suggestive way, often while in contact with one's partner such that the dancers' legs are interlaced
   同义词：grind
6. created by grinding
   同义词：grind
7. shape or form by grinding
   同义词：grind

1. The expedition covered a lot of ground.
   探险队到过很多地方。
2. Boredom is not a ground for divorce.
   日久生厌不能成为离婚的理由。
3. You shouldn't sit on the ground when it's wet.
   地面潮湿时就不应该坐在地上。
4. She grounded her pupils well in arithmetic.
   她给自己的学生打下良好的算术基础。
5. You have no real grounds for complaint.
   你没有真正的理由发牢骚。
6. The branch broke and fell to the ground.
   树枝断了，落在地上。

ground

n.（名词）

The solid surface of the earth.
地面：地球的固体表面
The floor of a body of water, especially the sea.
底，海底：水体，尤其是海洋的底部
Soil; earth:
地；土地：
例句：
level the ground for a lawn.
平整土地作为草坪

Often grounds An area of land designated for a particular purpose:
常作 grounds 场所：为某一特殊目地而划出的场地：
例句：
a burial ground; parade grounds.
墓地；阅兵场

Often grounds The land surrounding or forming part of a house or another building:
常作 grounds 场地；庭院：附属于房屋或楼房周围的土地：
例句：
a guesthouse on the grounds of the mansion.
庭院中的客房

An area or a position that is contested in or as if in battle:
阵地：在战争或类似战争的局面中争夺的地区或阵地：
例句：
The soldiers held their ground against the enemy. Character witnesses helped the defendant stand her ground in the trial.
战士们打退敌军牢牢守住阵地；保证人帮助被告在法庭上站稳了脚根

Something that serves as a foundation or means of attachment for something else:
底子，底色：做为底子或用来粘住其它物体的东西：
例句：
a ground of white paint under the mural.
壁画下面的白色底子

A surrounding area; a background.
背景：周围的地区；背景
Often grounds The foundation for an argument, a belief, or an action; a basis.
常作 grounds 根据：争论，信仰或行动的基础；依据
Often grounds The underlying condition prompting an action; a cause:
常作 grounds 理由，原因：促使采取行动的根本条件；原由：
例句：
grounds for suspicion; a ground for divorce.See Synonyms at base
怀疑的原因；离婚的理由参见 base

An area of reference or discussion; a subject:
范围，话题：参考或讨论的范围；话题：
例句：
The professor covered new ground in every lecture.
教授在每次讲座中都涉及新的领域

grounds The sediment at or from the bottom of a liquid:
grounds 渣滓，沉淀物：液体底部的沉淀物：
例句：
coffee grounds.
咖啡渣

Abbr. gnd.Electricity
缩写 gnd.【电学】
A large conducting body, such as the earth or an electric circuit connected to the earth, used as an arbitrary zero of potential.
接地：大面积导体，如地面或与地面连结的电路，用做任意零电位
A conducting object, such as a wire, that is connected to such a position of zero potential.
地线：一种与零电位位置相连接的传导性物体，如电线
v.（动词）
ground.ed,ground.ing,grounds
v.tr.（及物动词）
To place on or cause to touch the ground.
把…放在地上，使落地
To provide a basis for (a theory, for example); justify.
成为…的理由：为（例如，理论）提供基础；为…提供依据
To supply with basic information; instruct in fundamentals.
给…以基础训练：提供基础知识；教授基础课程

To prevent (an aircraft or a pilot) from flying.
使停飞：使（飞机或飞行员）停止飞行
Informal To restrict (someone) especially to a certain place as a punishment.
【非正式用语】 限制：限制某人特别是将某人限制在某处作为惩罚
Electricity To connect (an electric circuit) to a ground.
【电学】 使接地：将（电路）接于地上
Nautical To run (a vessel) aground.
【航海】 使（轮船）搁浅

Baseball To hit (a ball) onto the ground.
【棒球】 将（球）击到地面上
Football To throw a ball to the ground in order to stop play and avoid being tackled behind the line of scrimmage.
【橄榄球】 掷成滚地球：将球掷到地上以便停止比赛或避免在前锋线后被抱住而输球
v.intr.（不及物动词）
To touch or reach the ground.
触地，落地
Baseball To hit a ground ball:
【棒球】 打滚地球：
例句：
grounded to the second baseman.
打到二垒手位置的滚地球

Nautical To run aground.
【航海】 搁浅

<常用词组>ground out 【棒球】
To be put out by hitting a ground ball that is fielded and thrown to first base.
打滚地球出局：因打出的滚地球被截或被掷回一垒而出局
<习惯用语>drive into the ground 或
run into the ground
To belabor (an issue or a subject).
对（问题或主题）作过多说明
from the ground up
From the most basic level to the highest level; completely:
完全地：从最基础的水平到最高的水平；彻底地：
例句：
designed the house from the ground up; learned the family business from the ground up.
重新设计这所房子；从头学习家族生意

off the ground
Under way, as if in flight:
在途中：登程，上路，如在飞行中：
例句：
Because of legal difficulties, the construction project never got off the ground.
由于法律上的困难，这个建筑项目从未开始

on (one`s) own ground
In a situation where one has knowledge or competence:
在行：处于自己的知识或能力范围之内的情况下：
例句：
a sculptor back on her own ground after experiments with painting.
在进行了绘画方面的探索之后又回到自己领域的雕塑家

来源：
Middle English
中古英语
from Old English grund
源自 古英语 grund

ground
ground 2

v.（动词）
Past tense and past participle of grind
grind的过去式和过去分词