n.激光；鐳射

Lasers can be used to perform operation的復(fù)數(shù)形式" target="_blank">operations nowadays. 現(xiàn)在激光可以用來(lái)做手術(shù)。

He monopolizes the laser printer. 他獨(dú)占了這臺(tái)激光打印機(jī)。

The doctor finished the operation, but his success depended on the backroom boys who had invented the new laser scalpel. 醫(yī)生做完了手術(shù)，但他的成功有賴(lài)于那些發(fā)明了新型激光手術(shù)刀的研究人員。