[化] 双键
词型变化:名词复数形式 : double bonds

double bond的用法和样例:

例句

用作名词(n.)
  1. 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。
  2. Compounds containing two double bonds are called dienes.包含两个双键的化合物叫做二烯烃。
学英语单词
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bladder sarcoma
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boring-mill work
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reflexive text
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syndrome of deficiency of both qi and blood
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twist direction
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when-I
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