1.Secondary in abundance are aromatic sester and sesquiterpenoid hydrocarbons,but aromatic diterpenoids, most of the regular PAH are found at trace levels only.
但芳香二萜类，大多数常规多环芳烃仅以微量形式
。
词条纠错
X
in abundance 托福
生词本：
添加笔记：
充足，大量, 丰富, 很多
明：以
例句、词
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相似单词
in a short while, in a way, in a word, in absentia, in abstracto, in abundance, in abundant supply, in accordance with, in action, in actual fact,
