noun 下载 🔗分享 疫苗,预防针。 A substance given to stimulate the body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment, prepared from the agent that causes the disease (or a related, also effective, but safer disease), or a synthetic substitute. Examples : "Doctors recommend that children receive vaccines to protect them from serious illnesses. " 医生建议儿童接种疫苗,以保护他们免受严重疾病的侵害。 medicine virus disease biology 与AI对话词汇游戏阅读练习