subtend 详细解释
subtend
[səb'tend]
vt. [数]对着, 对向, [植]包在叶腋内
词形变化
动词过去式: subtended | 动词过去分词: subtended | 动词现在分词: subtending | 动词第三人称单数: subtends |
英英释义
动词 subtend:
be opposite to; of angles and sides, in geometry
同义词：delimit
补充
subtendsubtend英:[səbˈtend] 美:[səbˈtɛnd]v.1.对向,包在叶腋内例句
1. a chord subtending an arc弧所对的弦热门单词推荐
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