Paleoichnology
古遗蹟学
🗣️ 情景例句
Pete wrote us and told us.
Pete写信告诉我们的。
May I use your typewiter?
我能用你的打字机吗？
You'd better stay in bed till tomorrow. If you're not better by then, I'll take you to see the doctor.
你最好是在床上躺着，一直到明天。如果还不好，我再带你去看医生。