Bertrandite
羟硅铍石
🗣️ 情景例句
She has both a good brain and beauty.
她才貌双全。
How long will you remain in the hospital?
你将会在医院逗留多久？
We're ready! she said. Where is everyone?
“我们都准备好了！”她说，“人都到哪儿去了？”