Stratotype
层型
🗣️ 情景例句
If you can't pay the bill, you're going to be in trouble.
你如果不能付账，就要倒霉。
Ann prefers cold weather to hot weather.
安喜欢寒冷天气，不太喜欢炎热天气。
I've got to start working out.
我必须开始做健身运动了。