蒸发的物质能再凝结, 形成新的粒子.Evaporated material can recondense, forming new particles.吸气离子泵通过剩余气体与蒸发的金属之间的化学反应减少了内腔的压力.Getter - ion pumps decrease chamber pressure by chemical reaction of residual gases with an evaporated metal.它通...
We need to write inscriptions for the four archways.现在要写的就是牌坊上的几个字. ”Four festooned archways are to be erected at the railway station to welcome Commander Du's train.车站的两头要搭起四个彩牌坊,让杜统帅的花车在中间通过.The porch opens out on...
他是个拘谨的人,不爱多说话.He is very reserved. He does not say much.我的天性是很拘谨的.I'm really a very private person.玛丽说话时脸上露出了拘谨的神色.Mary spoke with restraint in her face....
Shake up the salad - dressing before you put it on.把色拉调味汁摇匀再在色拉上.Chill the fruit salad until serving time...把水果色拉冰镇一下，吃的时候再拿出来。The salmon was accompanied with a delicious watercress salad.伴有可口的水田芥菜色拉的鲑鱼.There is too much...
Conducting polyaniline ( PANI ) and poly - O - methylaniline ( POT ) were prepared by chemical oxidation method.用化学氧化法制备导电聚苯胺 ( PANI ) 和聚邻甲苯胺(POT ).Objective : To develop a method for determination of the N - methylanili...
Unfortunately, Grandma always seems to awaken at awkward moments.不幸的是，奶奶好像总是醒来的不是时候。The British never awaken to peril until it is almost too late.英国人从来不懂得防患于未然。Old people awaken early in the morning.老年人早晨醒得早....