Potty-train
训练（幼儿）使用便器
🧩 词语组成解析
a. 微小的, 不足道的\\nn. 便壶
🗣️ 情景例句
There's only one problem.
只有一个问题。
For one thing,I've got to drop by the bank to get some money.
首先，我得去银行取一些钱。
Isn't there anyone at home?
家里没有人吗？