猪肉经过化学处理以延长保存期。

The meat is chemically treated to extend shelf life.

《柯林斯英汉双解大词典》

干草一旦被割下来打成捆，必须经过一些化学处理。

Once hay has been cut and baled, it has to go through some chemical processes.

《柯林斯英汉双解大词典》

猪腿在火上经过了烟熏处理。

Legs of pork were cured and smoked over the fire.

《柯林斯英汉双解大词典》

One is the processing has already been done so the introns are already out, so you don't have to figure out what's exon and what's the intron, it's already done for you.

一是DNA已经过处理,内含子已经没有了,你不用分辨哪些是外显子哪些是内含子,这些都已经帮你做好了

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