micrometer
noun /maɪˈkrɒmɪtə(r)/
/maɪˈkrɑːmɪtər/
- (US English) (British English micrometre)(symbol μm)a unit for measuring length, equal to one millionth of a metre
- a device used for measuring very small distances or spaces
单词 | micrometer |
释义 | micrometernoun /maɪˈkrɒmɪtə(r)/ /maɪˈkrɑːmɪtər/
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