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第87期:青霉素
Talk to anyone in the drug industry , and you'll soon discover that the science of genetics is the biggest thing to hit drug research since penicillin was discovered.
译文：
只要你和制药业的任何人进行交谈，就会很快发现自从青霉素出现以来，遗传学对制药研究的影响是最大的。
点睛：
句首的Talk to...industry为祈使句，相当于一个条件句，逗号之后的分句通常用将来时。that引导的是discover的宾语从句，其中还包含since引导的时间状语从句。动词不定式to hit drug research作the biggest thing的后置定语。
