Devulcanization
脫硫化(作用), 去硬化(作用)
??? 情景例句
If someone doesn't buy it before then,
如果在此之前沒有人買走的話。
I will try, but no promises.
我會試試看，但是不敢保證。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，還有一種更加隱蔽有害的污染，它專門影響城鎮(zhèn)地區(qū)，侵襲我們的日常生活，那就是噪音。