?落伍

... fell out 争吵,发生 fell behind 落伍 fell in 排队,到期 ...

?落后

... fell asleep 睡着了... 详细翻译>> fell behind 落后... 详细翻译>> fell down 倒下; 感到闷闷不乐... 详细翻译>> ...

?落在

so busy working ? 如此繁忙的工作 fell behind ? 落在...

?落后了

... cieaning the cupboard ? cieaning的柜子 fell behind ? 落后了 here place your text here ? (名) 正文, 课文, 原文 ...