Arkositite
嵌胶长石砂岩
🗣️ 情景例句
I'm going to the library to do some research.
我要去图书馆搞些调研。
It's time for class.
上课时间到了。
Yes. Wash your hands with soap at the end of your experiment.
可以。在实验结束时要用肥皂洗手。