预防

预防precaution;prophylaxis详细»

预防precaution;prophyiaxis;take precautions against;taken precautions against;takes precautions against;took precautions against详细»

预防prevent;prevention;preventive;counterplanning详细»

预防guard against;keep from;preclude;prevent;take precautions against;precaution;prevention详细»

预防precaution详细»

预防guard;precaution;protection详细»

预防precaution;prevent;prevention详细»

预防precaution;prevent;prevention;provide against;take precautions against;taken precautions against;takes precautions against;took precautions against详细»

预防precaution;took precautions against详细»

预防forestall;preclude;preclusion;preservation;prevention详细»