名詞 fallow:

1. cultivated land that is not seeded for one or more growing seasons

形容詞 fallow:

1. left unplowed and unseeded during a growing season
2. undeveloped but potentially useful

1. The field was lying fallow.
   那田地正在休耕中。
2. Summer fallow is the best method of destroying weeds.
   夏季休耕是消滅雜草的最好辦法。
3. At this very moment there are probably important inventions lying fallow.
   就在目前這個時刻，說不定還有一些重要的創(chuàng)造發(fā)明尚未發(fā)揮作用。
4. The farmer decided to leave the land fallow for a year.
   農(nóng)夫決定讓土地休耕一年。

fal.low

adj.（形容詞）
Plowed but left unseeded during a growing season:
休耕中的：在生長季節(jié)耕而不種的：
例句：
fallow farmland.
休閑農(nóng)田

Characterized by inactivity:
閑置：
例句：
a fallow gold market.
閑置的黃金市場

n.（名詞）
Land left unseeded during a growing season.
休耕地：播種季節(jié)的休種地
The act of plowing land and leaving it unseeded.
休耕：犁而不種的行為
The condition or period of being unseeded.
休耕期：休種狀態(tài)或時期
v.tr.（及物動詞）
fal.lowed,fal.low.ing,fal.lows
To plow (land) without seeding it afterward.
使休耕：犁地后而不撒種
To plow and till (land), especially to eradicate or reduce weeds.
（為了除草而）犁地：耕、耙（土地）以便消滅或減少雜草

來源：
Middle English falow
中古英語 falow
from Old English fealh [fallow land]
源自 古英語 fealh [休耕地]

【引伸】
fal.lowness
n.（名詞）