Concavity
[kɒn'kævɪtɪ] or [kɑn'kævəti]
解释:
(n.) A concave surface, or the space bounded by it; the state of being concave.
坎迪编辑
同义词及近义词：
n. Hollow space.
艾利森手打
例句:
- Formerly augers and similar boring tools had merely a curved sharpened end and a concavity to hold the chips, and the whole tool had to be withdrawn to empty the chips. 威廉·亨利·杜利特. 世纪发明.
- With its concavity toward the southern sky it was closely comparable, though reverse, to the celestial meridian throughout its length from horizon to zenith. 李贝. 西洋科学史.
编辑:鲁弗斯