Fallan法兰fallv.落下；倒下；来临n.秋天；落下；瀑布fall into bad odour名誉不好falling birth rates下降的出生率fall into disrepair破损失修,需要修理fall out with sb.与某人闹翻fall into ...vt.分成 ...； 陷入 ...fallopian pregnancy[医] 输卵管妊娠fall-farrowed pig秋产仔猪fall asleep latency入睡潜伏期fall upon dark days遭到不幸, 倒霉fall dormancy elass秋眠级