Diazoacetate
重氮基醋酸酯
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
From the mountain, Lenny can look off across the valley.
雷尼可以从那座山眺望谷间远处的那边。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？