a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon;
"one milligram of ricin can kill an adult"
双语例句
After stimulating hepatoma with ricin, iNOS is positive in cytoplasm. 当受到蓖麻毒素诱导后，才能在胞浆内合成。
Las Vegas police say a man is in critical condition after they found the deadly toxin ricin in his motel room. 拉斯维加斯警方称，一名男子正处于病情紧急状态中，在他的旅店房间里发现了可致命的蓖麻毒素。
