Diazald
二甲基亚硝基苯磺酰胺
🗣️ 情景例句
What's your name?
你呢？
This material feel hand, How does that materoal feel?
这种布料感觉起来很硬，那块料子如何呢？
Hello, Betty. When are you going off to Guangzhou?
你好，贝蒂。你什么时候去广州？