Prevention of toxicants
[化] 防毒
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
No. I need to stop by the shop.
不，我要先到商店停一下。
I ate bread for breakfast yesterday.
我昨天早饭吃的是面包。
Have you ever put your trousers in the washing machine and then remembered there was a large bank note in your back pocket?
你有没有把裤子塞洗衣机，然后又想在裤子的后兜有一张大面值的纸币？