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单词 meter
释义
me·ter 2 (mētər)
n. Abbr. m
The international standard unit of length, approximately equivalent to 39.37 inches. It was redefined in 1983 as the distance traveled by light in a vacuum in 1/299,792,458 of a second. See Table at measurement.

[French mètre, from Greek metron, measure; see mē-2 in the Appendix of Indo-European roots.]
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更新时间:2025/3/22 20:10:10