单词:passive immunization
passive immunization的用法和样例:
例句
- This is called passive immunisation.这叫作被动免疫。
- Although passive immunization now seems to hold the most promise, active immunization is not out of the running.虽然目前看来是被动免疫最具潜力,但是主动免疫也不见得就此退出赛局。
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