英语词汇“免疫防御”的释义、用法及例句-英汉例句词典

词汇	免疫防御
例句	The complement system plays an important role in human immunological defences against cancer, bacteria, and viruses.补体系统在人体对癌症、细菌和病毒的免疫防御中有重要作用。
随便看	when needed when not when pigs fly when presented when the chips are down when the time comes when the time is right Where where whereabouts whereas whereat whereby wherefore wherefores wherein where it is whereof where the action is where the shoe pinches whereupon Wherever wherever wherewithal whet

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