Thed
[医][=tetrahydroxy ethylene diamine]四羟基亚乙基二胺
🗣️ 情景例句
I am Lu Ming. I come here to welcome you.
我是陆明，我是来接你的。
What would you like to do this weekend?
这周末你打算做什么？
How did you decide that product was safe?
你怎样决定产品是安全的呢？