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新东方-柯林斯雅思备考词典
laser
英 [ˈleɪzə]
[NOUN]
lasers
1. [C 可数名词] 激光
A laser is a narrow beam of concentrated light produced by a special machine. It is used for cutting very hard materials, and in many technical fields such as surgery and telecommunications.
双语例句
例：new laser technology.
新的激光技术。
例：Therapies currently under investigation include laser surgery and bone-marrow transplants.
目前被调查的疗法包括激光手术和骨髓移植。
例：Researchers realized that a tunable laser beam might be useful in surgery.
研究者们意识到可调谐激光束可能会对外科手术有用。