Diaphthorite
退化弯质岩, 片 状退变岩
🗣️ 情景例句
I love the fresh air, the scenery, the exercise, and the time to think.
我喜欢新鲜的空气、景致、运动以及有时间思考。
I've lost my nerve.
我失去了勇气。
It's a waste of time reading that book. It's rubbish.
看那本书真是浪费时间。那简直是垃圾。