- subtend
 - [səb'tend]
 - vt. 对向;包在叶腋内
 
同义词
           - v. delimit
 
参考例子
           - 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。
 
英文解释
           - v.
 - 1.be opposite to; of angles and sides, in geometry
 
网络释义
               - subtend
 - 对向; 对着; 包在叶腋内; 衬托 弦对弧 对向;