Polyvinyl acetal
[机] 聚乙烯醇缩醛
🧩 词语组成解析
a. 聚乙烯基的
n. 乙缩醛\\n[化] 乙缩醛; 乙醛缩二乙醇; (类名)醛缩醇; 缩醛(醛缩二醇)
🗣️ 情景例句
what you need to fix up the old library.
你们修复旧图书馆所需要的东西。
The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果卖方不能在信用证有效期内交货的话，买方有权单方面取消合同。
I went further back into the cave and stopped still.
我向前走拐进岩洞，停住不动。