bivalentadj.
英 baɪ'veɪl(ə)nt | 美 'bɪvələnt
中文adj. 二价的
词根词源
bivalent (adj.)1864, of chemicals, 1899, of chromosomes, from bi- + -valent, from Latin valentem, present participle of valere "be worth" (see valiant).
关键词