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单词 saser
释义

Collins Concise English Dictionary © HarperCollins Publishers::
saser /ˈseɪzə/ n
  1. a device for amplifying ultrasound, working on a similar principle to a laser
Etymology: 20th Century: s(ound) a(mplification by) s(timulated) e(mission) of r(adiation)
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更新时间:2024/9/21 17:40:34