Fallou法卢fallv.落下；倒下；来临n.秋天；落下；瀑布Fallopian tube pregnancy输卯管妊娠Fall into the same error犯同样的错误Fallopian tube gestation输卵管妊娠Fall down elevator shaft自电梯井跌落fallibility of knowledge知识的可错性fall short of the target未达到指标fall into the temptation受到诱惑Fallopia dentato-alatan.齿翅蓼fallacies and absurdities歪理邪说Falling-film absorption降膜吸收