| 释义 |
subtend/sʌbˈtend/v. tr. 1a (usu. foll. by 通常后跟 at) (of a line, arc, figure, etc.) form (an angle) at a particular point when its extremities are joined at that point (直线、弧线、图形等)两端在某点相接形成(角) b (of an angle or chord) have bounding lines or points that meet or coincide with those of (a line or arc) (角或弦)对向(边或弧) 2 Bot. (of a bract etc.) extend under so as to embrace or enfold 【植】(苞等)包托，把…包在叶腋内 [Latin subtendere (as SUB-, tendere ‘stretch’)] |