antitoxin/ˌæntɪˈtɔksɪn; ˌæntɪ`tɑksɪn/ n[C, U]substance that acts against a poisonous substance and prevents it from having a harmful effect 抗毒素（抵抗有毒物质并防止其产生有害作用的物质）.
牛津英汉双解词典