| 例句 |
The cancer cells are destroyed by a tiny laser.癌细胞被一个微型激光器杀死了。Surgeons use a laser with a beam measuring less than the width of a human hair.外科医生使用一种激光器，其光束的宽度还不及人的头发。Many lasers are pumped by light.许多激光器是用光激发的。The Irvine group and their collaborators are testing whether lasers do the job better.欧文集团及其合作者正在检测激光器能否更好地完成这项工作。A laser is used to etch a pattern in the smooth surface of the disc.有一个激光器用于在光盘的光滑表面刻录图案。 |