Aikinite
针硫铋铅矿
🗣️ 情景例句
Just make the few changes I suggested and your letter will be perfect!
只要改动我提到的个别地方，你的信就会很完美了。
I'm sorry. Am I keeping you awake?
对不起。我吵得你睡不着了吗？
There are four seasons in the year here--spring, summer, autumn and winter.
这儿一年有四季--春、夏、秋、冬。