新东方-柯林斯雅思备考词典

laser

英  [ˈleɪzə]
    

[NOUN]

    NOUN. 名词
  • 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。