comes along 在下面这句话中怎么翻译

Question

the primary component of such trash cannot decompose over the process of the next hundreds of years if no major scientific breakthrough comes along in refuse treatment.
帮翻译一下

Answer 1

如果在垃圾处理方面没有重大科学突破的话，这种垃圾的主要组成部分几百年都无法分解。

Answer 2

与......一同而来本回答被提问者采纳