| 单词 | subtend |
| 释义 | subtend v.tr. 1. a (usu. foll. by at) (of a line, arc, figure, etc.) form (an angle) at a particular point when its extremities are joined at that point. b (of an angle or chord) have bounding lines or points that meet or coincide with those of (a line or arc). 2. Bot. (of a bract etc.) extend under so as to embrace or enfold. Etymology: L subtendere (as SUB-, tendere stretch) |
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