| 单词 | apex |
| 释义 | Word Frequency apex(ˈeɪpɛks) nounWord forms: plural apexes or apices (ˈæpɪˌsiːz, ˈeɪ-) 1. the highest point; vertex 2. the pointed end or tip of something 3. a pinnacle or high point, as of a career, etc 4. Also called: solar apex astronomy the point on the celestial sphere, lying in the constellation Hercules, towards which the sun appears to move at a velocity of 20 kilometres per second relative to the nearest stars Word origin C17: from Latin: pointWord Frequency APEX(ˈeɪpɛks) noun acronym for 1. Advance Purchase Excursion: a reduced airline or long-distance rail fare that must be paid a specified number of days in advance 2. (in Britain) Association of Professional, Executive, Clerical, and Computer Staff |
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