Mannich reaction
[化] 曼尼希反應; 曼尼希縮合反應
?? 詞語組成解析
??? 情景例句
Let's talk business.
我們來談談正經事。
She's a homely girl.
她是一個心胸狹窄的女孩。
she presented a more majestic spectacle than Stockholmers had ever seen before.
瓦薩號展現的壯觀景象是斯德哥爾摩人從未見過的。