預(yù)防性preventive
～措施preventive measure /～衛(wèi)生監(jiān)督preventive sanitary supervision/～拘留preventive detention/～政策措施preemptive policy measures/～醫(yī)學(xué)preventive medicine/～戰(zhàn)爭preventive (or preemptive)war（亦稱先發(fā)制人的戰(zhàn)爭）/～注射preventive (or prophylactic)inoculation |