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释义	文件描述符 file descriptor
随便看	vaccinating lancet vaccinating lancet with comb vaccinating needle vaccinating pen vaccinatings vaccinating syringe vaccinating transfusion vaccination vaccination abscess vaccination against hepatitis b vaccination against rabies vaccination against smallpox vaccination against tuberculosis vaccination against typhoid vaccination apparatus vaccination appliance vaccination appliance, automatic Vaccination Assistance Act vaccination by puncture of wing membrane vaccination calendar vaccination center vaccination centre vaccination certificate vaccination challenge test vaccination chicken-pox