Tirodite
镁锰闪石
🗣️ 情景例句
I'm just being a grandfather.
我只是在尽一个爷爷的本份而已。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
Thanks a lot. Bye.
谢谢你。再见。