ultramicrometer
名词 n.
英文释义
名词 n.
- A very precise micrometer.
词形变化
词源
Etymology tree
English ultra-
English micrometer
English ultramicrometer
From ultra- + micrometer.
English ultra-
English micrometer
English ultramicrometer
From ultra- + micrometer.
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数据来源: Wiktionary