Stokesite
硅钙钖石
🗣️ 情景例句
I was wondering if you could help me. I'd like to know.
不知道你能否帮助我，我想知道。
I'm dead!
死定了！
No two sorts of birds practise quite the same sort of flight;
没有任何两种鸟的飞行方式是相同的。