Preserving duties
[经] 维持关税
🧩 词语组成解析
n. 保留, 保存
n. 关税（duty的复数）
🗣️ 情景例句
An individual's sex and characteristics are determinded by their unique set of genes.
个人性别和性格是由他们特有的一套基因决定的。
I tried several times to call, but there is no answer.
我打了几次，但是没有人回答。
It looks like a cat! Put it in your desk please, Lucy.
看起来象只猫。露茜，请把它放到桌子里。