grit

名词 grit:

1. a hard coarse-grained siliceous sandstone
   同义词：gritrock, gritstone
2. fortitude and determination
   同义词：backbone, guts, moxie, sand, gumption

动词 grit:

1. cover with a grit
2. clench together

1. The soldiers are hard grit.
   士兵们全都是刚强勇敢的。
2. Grit is spread on roads to make them less slippery in icy weather.
   在结冰的天气，在路上撒上砂砾心免路面太滑。

grit

n.（名词）
Minute rough granules, as of sand or stone.
砂，砂砾，砂粒：细小的粗颗粒，如砂和石头粒
The texture or fineness of sand or stone used in grinding.
粒度，硬度：用作磨料的砂或石的精细度
A coarse hard sandstone used for making grindstones and millstones.
砂石：一种用来做磨石或石磨的粗而硬的砂石
Informal Indomitable spirit; pluck.
【非正式用语】 勇气，竖毅：不屈服的精神；勇气
v.（动词）
grit.ted,grit.ting,grits
v.tr.（及物动词）
To clamp (the teeth) together.
咬（牙）：把（牙齿）紧咬在一起
To cover or treat with grit.
用砂覆盖，用磨料磨光
v.intr.（不及物动词）
To make a grinding noise.
发刺耳的声音，发摩擦声

来源：
Middle English gret [sand]
中古英语 gret [沙，砂]
from Old English grôot
源自 古英语 grôot