相关单词同义词preventive, 近义词 prevention 阻止, preventative 预防性的, preventive 预防的, safe 安全的, condom 安全套, cautionary 警戒的, rubber 橡胶, safety 安全, contraceptive 避孕药, antifertility 抗繁殖的临近词prop, Propana相似词prophet, prophet of doom idiom, prophetess, prophetic, prophylaxis, propinquity, propitiate, propitiatory, 返回 prophylactic