Getter - ion pumps decrease chamber pressure by chemical reaction of residual gases with an evaporated metal.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.Recent electronic means of pumping using low temperature sorption techniques a...
潮衣服在晒衣绳上结冻了.The wet clothes has frozen on the clothesline.她把洗的衣物夹在凉衣绳上.She pegged the washing on the line.在纲丝绳上跳舞是一种特技Dancing on a rope is an acrobatic feat....
The sagacious minister offered what he considered a rather clever explanation.道貌岸然的牧师说了一套他认为相当聪明的解释....a sagacious leader.精明练达的领导者He is a sagacious businessman.他是一个精明的商人。He is the most sagacious member of the committee.他...
You don't care about anything but yourself and your precious face.你什么都不关心，除了你自己和你那张娇贵的脸。They look too wasted to care about much.他们看上去疲惫不堪，以至于顾不上太多。Joe Sixpack doesn't care about that.普通工人不在意那事。...