单词	biconcave
释义	bi·con·cave (bī′kŏn-kāv, bī-kŏnkāv′) adj. Concave on both sides or surfaces: a biconcave lens. bi′con·cavi·ty (-kăvĭ-tē) n. biconcave biconcave (left) and biconvex (right) lenses
随便看	becomingly becomingness becquerel Becquerel bed BEd Beda Beda bed and breakfast bed-and-breakfast bedaub bedazzle bedazzlement bedbug bed bug bedchamber bed check bedclothes bedcover bedding bedding plant beddy-bye Bede bedeck be descended from

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。