Poly(vinyl formal)
[化] 聚乙烯醇缩甲醛
🗣️ 情景例句
and I have to go to the hospital.
我得赶去医院。
I lift weights all day long. I can't think but that I'm healthy.
我一整天都在举重，健康至上嘛。
Yes, he is.He's climbing the tree.
是的，他也在花园里。他正在爬树。