預防措施

protective step / protective measure

to advance / in advance / beforehand / to prepare

to prevent / to take precautions against / to protect / to guard against / precautionary / prophylactic

to protect / to defend / to guard against / to prevent

to handle / to manage / to put in order / to arrange / to administer / to execute / to take action on / to plan

measure / step / CL:個|个[ge4]

surname Shi

(bound form) to put into effect (regulations etc) / to distribute (alms etc) / to apply (fertilizer etc)