Glaucoquartzite
绿色石英岩
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
If it's not too much trouble, I would like some help.
如果你不嫌麻烦的话，我想请你帮个忙。
Yes, it is.
是的。