Derlin
缩醛树脂
🗣️ 情景例句
I watched the film and cried throughout.
我看那部电影时从头哭到尾。
The best horse needs breaking, and the aptest child needs teaching.
玉不琢不成器。
and there is a virtual limit on how long we can hope to remain alive,
我们所希望的长寿实际上是有限度的。