(verb.) be opposite to; of angles and sides, in geometry.
编辑:沃伦
双语例句
Leverrier said it might be recognized by its disk, which, mor eover, would subtend a certain angle. 李贝.西洋科学史.
The geometer is always talking of squaring, subtending, apposing, as if he had in view action; whereas knowledge is the real object of the study. 柏拉图.理想国.