Ramsayite
褐硅钠钛矿
🗣️ 情景例句
What can I do?
那我能做点什么呢？
You can never tell about this sort of thing.
这种事谁也说不准。
You've done very well. It's a pity you missed the sports meeting last week.
你学得不错嘛。很可惜，你错过了上周的运动会。