Celestobarite
锶重晶石
🗣️ 情景例句
OK, let's go around the table.
好 ，让我们顺着桌子来。
I will be going back to Hong Kong at this time on Monday.
我将在星期一这个时候回到香港。
Lin Tao did quite well, but Bill did better than Lin Tao.
林涛跳得相当高，但是比尔比林涛跳得更高。