Crotamine
[化] 响尾蛇胺
🗣️ 情景例句
If you need any help, I'll be ust over here.
如果你需要任何帮助，我都随时待命。
How soon can you have your product ready?
你们多久才可以把产品准备好呢？
Everything has its beginning.
凡事都有开端。