She became alternately angry and calm.她时而愤怒时而平静。As a companion star orbits its primary , it alternately approaches and recedes from the Earth.当伴星围绕着主星运转时, 它交替地朝着地球或背离地球运转.They were deglycerolized by alternately centrifug...
If you're not satisfied with the life you're living, don't just complain. Do something about it.对于现况的不满，不能只是抱怨，要有勇气作出改变。Faculty members complain that their students are unprepared to do college-level work....
伏安计是用于测量电压和安培数的仪器.A voltammeter is a device for measuring voltage or amperage.注意: 尽量用加粗的电缆,因为安培数有19倍之高.Attention: use thicker cable as amperage is 19 - times ( 19 x ) higher.指针下的刻度读数即为安培数.The scale under the pointer read...
Ridley picked up a pencil and fiddled with it.里德利拿起一支铅笔，不停地在手里摆弄着。Ridley viewed his work with a cynical detachment.里德利以一种吹毛求疵的超然态度看待他的作品。Ridley's anger finally overflowed.里德利终于按捺不住满腔的怒火。...
He squirmed out of the straps of his backpack.他扭动身体，挣开背包的肩带。He was almost strangled by his parachute harness straps.他差点被自己的降落伞吊带勒死。Brian pulled the straps through the buckles of his suitcase.布赖恩将带子穿过自己手提箱的带扣。...