| 单词 | hour-zone |
| 释义 | > as lemmashour-zone hour-zone n. each of the lunes on the earth's surface bounded by two meridians, fifteen degrees apart on the equator, equal to an hour in the standard system of time, within which all places have the same standard time, except where a line has been shifted slightly for local convenience. ΚΠ 1898 Geogr. Jrnl. (Royal Geogr. Soc.) 11 677 The groups of 10 degrees of longitude form naturally the 24 hour-zones into which the circumference of the equator is divided. < as lemmas |
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