fall asleep in睡在;在入睡;入睡
fall madly in love坠入爱河
fall behind in study在学习上落后
fall l in with偶尔遇到;同意;符合;碰见
Fall Deeply In Love才下眉头
fall off in illumination照度衰减
fall behind in落后在;在;翻译
fall drop in series梯级跌水
fall behind in sth前几个月产量下降了
V(动词) to collapse; no longer act as a support 倒塌
SENTENCE SUBSTITUTE() SENTENCE SUBSTITUTEthe order to adopt a military formation 采取军事编队的次序