Prevulcanize
预先硫化, 早期硫化
🗣️ 情景例句
No. I have nothing to declare.
没有。我没有什么要申报的。
We have a wide selection of sweaters that will appeal to all ages, and in particular the teenager market which you specified.
我们有各种各样适合各个年龄层次的羊毛衫，特别是您专门提到的青少年市场。
But these are not analogous to what happens when man ages.
不过，这些衰老的情况同人并不相似。