Sinamine
芥子胺, 烯丙基氨氰
🗣️ 情景例句
Come in. Oh, Carl and David.
哦，是卡尔和大卫，请进。
The industrial area is centered largely in the north.
那里的工业区大部分集中在北部。
You forget to write down the date of your departure.
您忘了写离店日期了。