Plumbostannite
铅锑钖矿
🗣️ 情景例句
Like setting up a regular weekly reading program.
譬如说开办一项每周一次的定期阅读计划。
I'm sorry, but she won't have any openings until 11:00, unless there's a cancellation.
对不起，除非有预约取消，11点以前她没有空。
This model's less expensive than that one.
这种型号比那种要便宜些。