释义 |
subtend美 [səb'tend] 英 [səb'tend] 过去分词:subtended 现在分词:subtending 第三人称单数:subtends 1. | ~ sth 对向(弧或角)to be opposite to an arc or angle |
v. | 1. to be opposite and delimit the extent of an angle or side of a geometric figure 2. to lie underneath something so as to surround or enclose it |
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