Halopolymer
卤代聚合物
🗣️ 情景例句
I hope you're enjoying your stay here.
我希望你在这里过得愉快。
Good idea!
真是个好主意！
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。