(of an animal or insect) producing poison as a means of attacking enemies or prey (动物,昆虫)有毒的 a poisonous snake. 毒蛇。 ■(of a plant or substance) causing or capable of causing death or illness if taken into the body (植物,物质)有毒的 poisonous chemicals. 有毒化学物品。 ■(figurative)extremely unpleasant or malicious (喻)恶毒的,令人厌恶的 there was a poisonous atmosphere at the office. 办公室里有一种令人厌恶的氛围。