Orthorock
火成变质岩
🗣️ 情景例句
How come he never got married?
为什么他不结婚？
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
The woman was a visitor. She did not live in London. She lived in the country.
这老太太是位游客，不住在伦敦。