降: 降动词1.(投降) surrender; capitulate 短语和例子宁死不降 rather die than surrender2.(降伏) subdue; vanquish; tame 短语和例子一物降一物。 there is always one thing to conquer [overcome] another.
夜: 名词1.(从天黑到天亮的一段时间) night; nighttime; evening 短语和例子一个寒冷的冬夜 one cold wintry night [winter evening]; 在新婚之夜 on the bridal evening; 冬天昼短夜长。 in winter the days are short and the nights long. 三天三夜