You weren't allowed to entertain men in your rooms even with a chaperone.即使你有监护人陪同，也不允许在房间里招待男性。When returning from a trip, shake the hand of every chaperone.实地教学返回时, 要与每位陪同老师握手告别.Purpose : To evaluate the molecular...
You weren't allowed to entertain men in your rooms even with a chaperone...即使你有监护人陪同，也不允许在房间里招待男性。You weren't allowed to entertain men in your rooms even with a chaperone.即使你有监护人陪同，也不允许在房间里招待男性。When returning f...
你一定注意到他有时候显得特别疲惫。You must have noticed how tired he sometimes looks.他正挥手以引起他们的注意。He was waving his arms to draw their attention.罗斯听到了熟悉的声音，但没注意听说的是什么。Rose heard the familiar voice, but tuned out the words....
脆性往往是合金化的一种结果.Brittleness is often a result of alloying.表面涂敷技术分为两个主要类型: 脆性涂层和光弹性涂层.Surface - coating techniques may be classified into two major types: brittle coatings and photoelastic coatings.研究裂纹技术应用于分离脆性块体的分离理论和分离方法...