poisonous

Compared meaning: containing poison that can harm or kill (adjective).

比较义项：含有毒素或有害物质，可致病或致死（形容词）。

• toxic

  Toxic often describes man-made or chemical substances such as waste, fumes, or pollutants, emphasizing environmental or health danger; it is also used figuratively for harmful situations or relationships (not compared here).

  toxic 常用于描述人造或化学物质，如废物、废气或污染物，强调对环境或健康的危害；它也可比喻用于有害的处境或关系（此处不比较该义项）。

  Industrial waste dumped in the river turned the water toxic for miles.

  倾倒入河中的工业废物使方圆数英里内的水都变得有毒。

• poisonous 本词

  Poisonous typically describes living organisms or natural substances, such as snakes, plants, or berries, that cause illness or death if eaten, touched, or injected; it is rarely used figuratively.

  poisonous 通常用来描述生物或天然物质，如毒蛇、植物或浆果，一旦被食用、触碰或注入体内就会致病或致命；它很少用于比喻义。

  Some wild mushrooms look edible but are actually poisonous if eaten.

  有些野生蘑菇看起来能吃，但食用后实际上是有毒的。

Toxic and poisonous both mean containing poison that can harm or kill. Toxic usually describes man-made substances, like waste or fumes; it can also mean "harmful," not compared here. Poisonous describes living things, like snakes or plants, that cause harm if eaten or touched.

这两个词在此义项上很接近，都表示某物质含有毒素、会致病或致死，但侧重的对象不同，容易混淆；toxic 还有“有害的、消极的”比喻义（如 toxic relationship），此处不作比较。