What I did for you was free, gratis, you understand?我为你所做的一切都是免费的，无偿的，你明白吗？I knew his help wouldn't be given gratis.我知道他的帮助不会是无偿的。David gives the first consultation gratis.戴维免费提供初次咨询。...
Euphorbia kansui L. ( Euphorbiaceae ) is abundantly distributed in the northwesten China.生药甘遂为大戟科[euphorbiacea]植物甘遂[ Euphorbia kansuiL. ]的干燥块根.Objective To study the phenylpropanoid constituents from the roots Euphorbia ...
The illustration shows a cluster of five roses coloured apricot orange.插图上是一簇杏橙色的玫瑰，一共5朵。A cluster of vultures crouched on the carcass of a dead buffalo.一群秃鹫蹲伏在一具野牛的尸体上。a cluster of stars星团...
He has been devoting his whole life to benefiting mankind.他把自己的一生贡献给了造福人类的事业.He has devoted his whole life to benefiting mankind.他为全人类的利益献出了自己的一生.Those involved and benefiting from the scandal must be prepared to stand u...