Pipefriction
[机] 管摩擦
🗣️ 情景例句
It's not a bad plan.
这是个不错的计划。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
I'm very proud of you.
我为你感到非常骄傲。