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单词 laser
释义
laser
noun [ C ]
uk/ˈleɪzər/ us
a device that produces a powerful narrow beam of light that can be used as a tool, for example to cut metal, to perform medical operations, etc. The beam of light is also known as a laser:
It shines a laser beam on to the surface of the disc to read the pattern of the bumps.
Our team are engaged in the research of laser technology.
They now use a laser gun for reading barcodes.
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更新时间:2025/1/22 22:07:40