A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振动帮助声音传送到大脑.In wind instruments the sound is produced by a vibrating air column.管乐器的声音是由振动的气柱产生的.Stationary waves are also produced in vibrating colu...
The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与刮刀卸料离心脱水机是煤矿常用的两种离心脱水机.If a vibrating string is lightly touched at its midpoint , its pitch...
对这个问题的意见开始具体化了.Opinion on this question began to solidify.语言使思想具体化。Language externalizes thought.实际经验通常都不能使这些看法具体化.Field experience did not usually substantiate the claims....
The company has produced caskets up to 7 feet square.该公司有生产过大到二米见方的棺材.Caskets of jewels and coffers of gold.一箱箱的珠宝与一柜柜的黄金.She has two beautiful caskets.她有两个漂亮的首饰盒....