扩音器是一种使声音放大的电气装置.Amplifier is electrical device which make sounds louder.使用助听器会使声音变得越来越失真。Sound was becoming more and more distorted through the use of hearing aids.在录象技术中, 使声音和图象同步的一种安排.In recording, an arrangement that...
Firs,spruces and pines are conifers.冷杉、云杉和松树都是针叶树。Her firs big break came alongside Jane Russell in Gentlemen Preferred Blondes.她的冷杉很大的突破与简·里先生来金发碧眼的首选.Firs, spruces and pines are conifers.冷杉 、 云杉和松树都是针叶树.Pines, firs, an...