英语词汇“ultramicrometer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ultramicrometer
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ul•tra•mi•crom•e•ter (ul′trə mī krom′i tər),USA pronunciation n. Weights and Measuresa micrometer calibrated to a very fine scale and capable of measuring extremely small magnitudes. ultra- + micrometer 1925–30
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