double bond
英
美
- n.双键
详细释义
Noun:
-
a covalent bond in which two pairs of electrons are shared between two atoms
双语例句
- One atom of oxygen is linked to the nitrogen atom by a double bond.
一个氧原子以双键与氮原子相连。 - Compounds containing two double bonds are called dienes.
包含两个双键的化合物叫做二烯烃。
用作名词 (n.)
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