Undervulcanization
欠硫化
🗣️ 情景例句
How much will you pay me for this job?
做这份工作你付给我多少钱？
Having this new branch means a great deal to the economy of both countries.
这家分行的建立将对两国的经济交流起到很大的作用。
Thank you.
谢谢。