例句與造句

1. Today, with the help of prepackaged kits and automated DNA synthesizers, the high school janitor can do it.
2. After earning a Ph . D . in microbiology in Ireland, Coleman did post-doctorate work at Harvard, where he ran the university's first automated DNA synthesizer.
3. It's difficult to find automated dna synthesizer in a sentence. 用automated dna synthesizer造句挺難的