Poly(vinyl formal)
[化] 聚乙烯醇缩甲醛
🗣️ 情景例句
Oh, wait a minute. What's today's date?
噢， 等一等 ，今天几号？
I found an excellent position through an employment agency.
我通过职业介绍所找到了一份很棒的工作。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。