Bertrandite
羟硅铍石
🗣️ 情景例句
The pictures you've taken are fabulous, Richard.
你拍的照片太精采了， Richard。
My hobby is collecting coins.
我的嗜好是收集硬币。
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？