Undervulcanization
欠硫化
🗣️ 情景例句
I think we'd better head home.
我想我们最好上路回家啦。
Don't forget to write your return address on the letter.
不要忘记在信封上写你的回邮地址。
If he, or someone like him, were alive today, he might be able to tell us what to expect in the next fifty years.
如果他或是像他的什么人今天还活着的话，他大概可以告诉我们下一个50年后会发生什么事情。