winnow

名词 winnow:

1. the act of separating grain from chaff
   同义词：winnowing, sifting

动词 winnow:

1. separate the chaff from by using air currents
   同义词：fan
2. blow on
3. select desirable parts from a group or list
   同义词：cull out
4. blow away or off with a current of air

1. A device for winnowing grain.
   簸谷器; 风选机去糠的设备
2. The girl is winnowing the chaff from the corn.
   那个女孩正在簸去谷壳。

win.now

v.（动词）
win.nowed,win.now.ing,win.nows
v.tr.（及物动词）

To separate the chaff from (grain) by means of a current of air.
簸，扬（谷物）：通过风吹使谷壳脱离（谷物）
To rid of undesirable parts.
去除，使分离：去除不想要的部分
To blow (chaff) off or away.
吹掉：吹去，吹走（谷壳）
To blow away; scatter.
吹走；吹散
To blow on; fan:
吹动；扇动：
例句：
a breeze winnowing the tall grass.
微风吹过高高的草地

To examine closely in order to separate the good from the bad; sift.
筛选，选取：为把好的从坏的中分开而仔细检查；筛分

To separate or get rid of (an undesirable part); eliminate:
去除：分开或除掉（不想要的部分）；排除：
例句：
winnowing out the errors in logic.
排除逻辑中的错误

To sort or select (a desirable part); extract.
挑选：分出或挑选出（想要的部分）；提取
v.intr.（不及物动词）
To separate grain from chaff.
扬谷，簸谷：谷物从谷壳中分出
To separate the good from the bad.
区分好坏：把好的与坏的分开
n.（名词）
A device for winnowing grain.
簸谷器；风选机：去糠的设备
An act of winnowing.
去糠：簸、扬的行为

来源：
Middle English winnewen
中古英语 winnewen
alteration of windwen
windwen的变化
from Old English windwian
源自 古英语 windwian
from wind [wind] * see wind
源自 wind [风] *参见 wind

【引伸】
win.nower
n.（名词）