解释
- vt. 对向;包在叶腋内
※ 提供单词"subtend"的中文意思、发音示范及音标对照,中英文词源、例句和用法等。
中文词源
subtend 对向弧,对向角
sub-,在下,向上,-tend,延展,词源同 tend,extend.用于几何学术语指对向弧,对向角。
英文词源
- subtend (v.)
- 1560s, from Latin subtendere "to stretch underneath," from sub "under" (see sub-) + tendere "to stretch" (see tenet). Related: Subtended; subtending.
例句和用法
- 1. In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
- 在菊科植物中,苞片数目多而聚生在花序外围,称为总苞.
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