Papertrain
vt.训练(狗等)在纸上大小便
🗣️ 情景例句
Are you married or single?
你结婚了还是单身？
We shouldn't have any trouble if the traffic isn't to heavy.
如果交通不太拥挤的话，我们不会有什么困难。
We had a very good journey home.
我们回家的旅途很顺利。