Hdpe
[化] 高密度聚乙烯
🗣️ 情景例句
Well, what's going on?
噢， 怎么啦？
The police will never buy that story.
警方绝对不会相信这个说法。
I went on walking, bending down because the roof of the cave was not very high.
因为洞顶不是很高，我继续弯着腰往前走。