探讨了一种合成氧化镁晶须的新的工艺方法.This paper presents a new route to prepare magnesium oxide whiskers.简要分析了高纯氧化镁合成中的一些工艺原理.Some principles in preparing of high purity oxide are briefly discussed.大约80%的氧化镁产量来自菱镁矿.Magnesite deposits acc...
领款人必须在支票上背书。The payee of the cheque must endorse the cheque.这个男孩在讷讷的背书中出了很多差错.The boy made many blunders as he stumbled through his recitation.轮到我背书了.It was my turn to recite....
English has hurt me a thousand times, but I still regard it as my first love.英语伤我千百遍，我待英语如初恋。Try to view situations more objectively, especially with regard to work.要尽量客观地分析情况，尤其是在工作上。He has said he will fire editorial e...