英文英文字典

英文英文字典

古腾堡计划中的在线英语-英语词典

结果

Trimethylamine的结果

Trimethylamine (n.)
A colorless volatile alkaline liquid, N.(CH3)3, obtained from herring brine, beet roots, etc., with a characteristic herringlike odor. It is regarded as a substituted ammonia containing three methyl groups.