prophylactic
adj. 预防性的,预防疾病的; n. 预防性药物(或器具、措施);预防法;避孕用具
adj.预防疾病的n.预防药,避孕药
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adj. 预防性的,预防疾病的; n. 预防性药物(或器具、措施);预防法;避孕用具
adj.预防疾病的n.预防药,避孕药
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