Polyacetaldehyde
聚乙醛
🗣️ 情景例句
All my bags are checked in. I guess I'm all set to go.
我的行李都检查完了，看来我可以走了。
How should I say this?
这该怎么说呢？
that it can hardly hope to stand up to a realistic evaluation.
以致这种估价很难指望经受住现实的考验。