Sublimation - Why do mothballs disappear over time? | #aumsum #kids #science #education #children

未能成功加载,请稍后再试
0/0

Topic: Sublimation.

Why do mothballs disappear over time?

Wow.

You have a nice collection of clothes.

But have you kept mothballs to protect them?

I had kept them a few months back below these clothes.

Hey, where did the mothballs go?

I had placed them right here.

Did you steal them?

No No.

下载全新《每日英语听力》客户端,查看完整内容