N'n'-dibenzylethylenediamine
[化] N'N'-二苄基乙二胺
🗣️ 情景例句
He who hath good health is young,and he is rich who owes nothing.
健康葆青春,无债即富有。
The whole village has been working day and night gathering and threshing this year's crop before the September rains.
全村的人都日夜奋战,要赶在9月的雨季之前把今年的庄稼收获上来,打完场。
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