她在书信和笔记中几乎从不提及他。She virtually never mentions him in her corre-spondence or notebooks.新发现的笔记只不过是朗的个人日志。The newly discover-ed notes are nothing more than Lang's personal journal.她坐在那儿面无表情,认真记着笔记。She sat expressionless...
The body must return identically to its original condition when the loads are released.当去掉载荷时,物体必须恢复到与原来完全一样的状态.The motion is periodic, which means it occurs identically over and over again.这个运动是周期的, 意即运动以同样的形式重复出现.The w...