Chronostratigraphy
年代地层学
🗣️ 情景例句
Sorry, I don't quite understand why...
对不起，我不太理解为什么…
The remedy for injuries is not to remember them.
医治创伤的药方就是忘却创伤。
I prefer horse riding to shooting.
骑马和射击相比，我更喜欢骑马。