toxic

• 指某物有毒或有害，常用于化学（有毒物质）及比喻（社会、环境或人际关系中具有伤害性）两种意义。

Describes something that is poisonous or harmful, often used in both literal (chemical) and figurative (social or environmental) contexts.

1. B1formalscientific

   Containing or being a poisonous substance that can cause harm or death.

   有毒的

   • The factory released toxic chemicals into the river.
   • Some mushrooms are highly toxic to humans.
   • The lab handles toxic materials with extreme caution.

   同义词banefuldeadlylethalnoxiouspestilentialpoisonousvenomousvirulent

   反义词benignharmlessinnocuousnonpoisonousnontoxicsafe

2. Harmful to healthB1formalmedical

   Relating to or caused by a poison or harmful substance.

   有毒的

   • Exposure to toxic fumes can cause respiratory problems.
   • The patient was treated for toxic shock syndrome.
   • Long-term exposure to toxic waste is dangerous.

   同义词dangerousdeleteriousharmfulinjuriousnoxiouspoisonousunhealthy

   反义词benignharmlessnonpoisonousnontoxicsafe

3. Negative or harmful behaviorB2informal

   Describing a person, relationship, or environment that is harmful, unpleasant, or damaging.

   有毒的

   • She decided to leave her toxic workplace.
   • He has a toxic attitude that brings everyone down.
   • Toxic friendships can affect your mental health.

   同义词abusivecausticcorrosivedestructiveharmfulmalignantnoxiousperniciouspoisonousvitriolic

   反义词beneficialhealthypositivesupportivewholesome