Contingent duty
[经] 应变关税
🧩 词语组成解析
🗣️ 情景例句
Alexandra's a high-school exchange student from Greece.
Alexandra是从希腊来的交换高中生。
The clerk helped me find what I wanted.
职员帮助我发现我想要的东西。
Our friends Julie and Jack were there, too.
我们的朋友朱莉和杰克也去了。