Deltametal
δ高强度黄铜
🗣️ 情景例句
The pleasure is mine.
认识你是我的荣幸。
It's a hard job, but I hope he can make it.
这不是件容易的差事，但我希望他能做到。
Could I use your mobile phone?
能借用一下您的手机吗？