Speleogen
次生洞穴结构
🗣️ 情景例句
What did you learn at school today?
你今天在学校学了什么？
I've brought my car, so I can drive you to your hotel.
我开车来的，所以我开车送你到旅馆。
I don't understand! What do you mean? asked Mrs Brown.
“我不懂！你说的是什么意思？”布朗夫人问道。