variolous material造句
造句与例句
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- The boy was later challenged with variolous material and again showed no sign of infection.
- Later, he injected Phipps with variolous material, the routine method of immunization at that time.
- Warren argued that, even if the variolous material was degraded, it could still infect susceptible people.
- Christopher Warren ( 2007 ) claimed that Fenner did not address the issue of variolous material brought in bottles by the First Fleet, for use as an inoculant.
- It's difficult to see variolous material in a sentence. 用variolous material造句挺难的
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