迄今仍属未知种类的蛾a hitherto unknown species of moth他们在树上撒糖捕蛾.They sugared trees to catch moths.这种蛾的耳朵能收听到蝙蝠的超音速的尖叫声.This moth's ear is tuned in to the bat's ultrasonic squeak....
公司的董事长，也就是我的直接上司，是精力充沛的哈里·斯托克斯。The company president, and my immediate superior, was the dynamic Harry Stokes.目标是以大约2马赫的速度飞行，也就是音速的两倍。The aim is to fly at about Mach 2, twice the speed of sound.你现在做着你真正喜欢做的事情，也就是音乐制作——这就...
A static phase advancer is an on - the - spot compensating device for a large - scale or medium - scale induction motor.静止进相器是专为 大中型 绕线式电机节能降耗设计的无功率就地补偿装置....