autoinjector [ˏɔ:tәuin'dʒektә(r)]
n.
自我注射器( 一种内附神经性毒气剂等药液的皮下注射器,可自我注射)
autoinjector[ noun ]
a hypodermic syringe to use in injecting yourself with a liquid
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United States troops now carry atropine and autoinjectors in their first-aid kits to use in case of organophosphate nerve agent poisoning