Ramsayite
褐硅钠钛矿
🗣️ 情景例句
Good morning, Mr. Smith. I brought the contract you are been looking for.
上午好，斯密司先生。我带来了你要等待的合同。
The hour's delay was most annoying.
这时候耽误是最令人烦恼的。
We appreciate your fast service.
麻烦你会尽力处理，谢谢。