1
- (of farmland) ploughed and harrowed but left unsown for a period in order to restore its fertility as part of a crop rotation or to avoid surplus production（农田）休闲的, 休耕的：
incentives for farmers to let land lie fallow in order to reduce grain surpluses.
为减少粮食过剩而让农民休耕土地的激励措施。
1.1
- figurative inactive〈喻〉不活跃的：
long fallow periods when nothing seems to happen.
似乎什么事也不会发生的漫长的萧条期。
1.2
- (of a sow) not pregnant（母猪）未孕的。
- a piece of fallow or uncultivated land休闲地, 休耕地。
派生词
fallowness
noun词源
Old English fealgian 'to break up land for sowing', of Germanic origin; related to Low German falgen.