Undercourse
底层, 垫层, 在花砖或瓷砖之下的底层
🗣️ 情景例句
Dad ... Robbie. When did you come?
爸爸……Robbie。你们什么时候来的？
I haven't heard from him for a long time.
我很久没有收到他的信了。
I thought he must have misunderstood me, so I repeated its name.
我想他一定误解了我的意思，于是又说一遍村庄的名字。