Orthoquartzite
正石英岩
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
You've got no ID card, boy!
你是小孩吧，怎么没带身份证呀。
We'll get it right out for you.
我们马上就出货。