很多雄鸟进化出鲜艳的羽毛是为了吸引雌鸟。The bright plumage of many male birds has evolved to attract females.雌鸟可能无法给幼鸟喂食。The hen may not be able to feed its young.雄鸟和雌鸟轮流孵蛋。Males and females take turns brooding the eggs....
Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.Beijing Cherokee engine uses Cart YFA carburetor which is single ba...
I work in an auxiliary unit.我在一家附属单位工作.Objective : To study auxiliary problem method for solving implicit complementarity problems.目的研究用辅助问题方法求解隐互补问题.Nowadays, the army tries to legitimize its existence by offering emerg...
The President pleaded that strong rule from the centre was a regrettable, but temporary necessity.总统辩解说，实行高度的中央集权虽不尽如人意，但暂时来说却是必要的。...the strong individualism in their political culture.他们的政治文化中浓厚的个人自由主义If she were invol...
他那个年纪的年轻人需要有个单独的房间。A young man of his years needed to have a separate room.如果愿意的话，可以把这些调味汁倒入一只单独的长柄锅里。Transfer this sauce to a separate saucepan, if desired.一幢扶助性住宅可供8至10位老人居住，每个人都有自己单独的房间，在这里，他们既能独处，又有社区归属感。A supportive...