Polyacetals
聚缩醛(树脂)
🗣️ 情景例句
Could you give me more details about your company?
能否给我些贵公司更详细的资料？
What time should I be at the departure gate?
我在什么时间到登机门？
I borrowed a notebook from Tom and I lent it to Marry.
我从汤姆那儿借了一本笔记本，我又把它借给玛丽了。