他参与了石油、锌和铅的勘探。He was involved in oil, zinc and lead prospecting.黄铜是铜锌合金。Brass is an alloy of copper and zinc.铜与锌熔合成黄铜the fusion of copper and zinc to produce brass...
CW is abbreviation of clockwise and CCW is short for counter - clockwise .CW是顺时针的缩写,CCW是 逆时针 的缩写.During CCW - AFL , CS activation was proximal - to - distal pattern in 13 of 16 patients.13例 CCW -AFL患者冲动由CS近端向远端传导.The end...
Why do you look so down in the mouth?你为什么显得这样消沉?Why are you so down in the mouth, anyway?不过,你为什么这么没精打采的?Paul looks down in the mouth because she failed in the attempt.保罗因为尝试失败看起来很沮丧....
The branch of a tree knocked one of the horsewomen senseless.一根树枝撞得一名女骑手昏了过去.The majority of the young ladies in the Royal Court are passionate, young horsewomen.皇室大部分的年轻女士都是热情年轻的女骑手....
His face was wreathed in smiles.他满脸笑容。The girls watched, little teasing smiles animating their faces.女孩们注视着，脸上挂着调皮的微笑，显得愈加活泼。His expression is as earnest when he smiles as when he is arguing...他不论笑的时候还是争论的时候表情都同样真诚。My bo...