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protoalkaloid
释义
protoalkaloid
网络
原生物碱
网络释义
1.
原生物碱
（2）
原生物碱
（
protoalkaloid
）指芳香族的多胺，来源于苯丙氨酸，但氮不存在于环中，如麻黄碱。（3）假生物碱（pseudoal…
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a man of great energy
a man of great esteem
a man of high standing
a man of his hands
a man of his word
a man of honor
a man of ideas
a man of intellectual breadth
A man of iron
a man of law
a man of letters
a man of light and leading
a man of many words
a man of mark
a man of means
a man of men
a man of mettle
a man of moods
a man of mould
a man of nerve
a man of no fixed abode
a man of one's time
a man of one's word
a man of parts
a man of plenty of guts
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2025/10/3 0:03:45