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	alkahestic alkalescence alkalescency alkalescent alkali alkali feldspar alkali metal alkalimeter alkalimetry alkaline alkaline-earth metal alkalinity alkalinize alkalization alkalize alkaloid alkaloidal alkalosis alkalotic alkane alkane series alkanet Alka-Seltzer alkene Al Khalil

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。