Polyacetal
[化] 聚缩醛
🗣️ 情景例句
I really enjoyed talking with you.
很高兴和你聊天。
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
Whatever it consists of, stamps, records, first editions of books china, glass, antique furniture, pictures, model cars, stuffed birds, toy animals,
不管收藏品是什么，邮票、唱片、头版书籍、瓷器、玻璃杯、老式家具、绘画、模型汽车、鸟类标本，还是玩具动物，