Unplumbed
a. 未经探测的
🗣️ 情景例句
That is fantastic, John!
那太好了， John。
We'd better not go out tomorrow, son.
孩子，我们明天最好不要出去。
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？