covalent bond
短语共价键 [化] 共价键
发音
US
/koʊveɪlənt bɒnd/
词形变化
covalent bonds
复数
covalent bonds
释义与例句
n.
-
1.
A type of chemical bond where two atoms are connected to each other by the sharing of two or more electrons.
共价键
化学