fall英 [fl] 美 [fl]
v.落下;下落;掉落;跌落;突然倒下;跌倒;倒塌;下垂;低垂
n.落下;下落;跌落;掉落;(雪、岩石等的)降落;发生;秋天(AmE=autumn)
第三人称单数: falls 现在分词: falling 过去式: fell 过去分词: fallen
The knife fell from her nerveless fingers.
刀从她无力的手里落下。
Evans had rheumatic fever, missed school and fell behind
伊万斯得了风湿热,没去上课,功课也落下了。
It is important not to let production levels fall.
重要的是别让产量滑落。