Sinamine
芥子胺, 烯丙基氨氰
🗣️ 情景例句
The pollution in Beijing is alarming.
北京的污染给人们敲起了警钟。
Took you long enough!
你现在才来！
They told us to go home but we went on.
他们要我们回家去，可我们继续行进。