adult

• 指与成年人相关的，或适合成熟受众的。

Relating to or characteristic of grown-up people, or intended for mature audiences.

1. Grown-upA2formal

   Relating to or characteristic of a fully grown person, typically over 18 years old.

   成年的

   • This is an adult swimming pool.
   • Only adult passengers are allowed in this section.
   • He has adult responsibilities now.

   同义词full-grownfully growngrowngrownupmatureof age

   反义词childishimmatureinfantilejuvenileyouthful

2. Mature or sophisticatedB1formal

   Showing maturity, responsibility, or complexity suitable for grown-ups.

   成熟的

   • She made an adult decision about her career.
   • The movie is rated for adult audiences only.
   • His behavior was very adult and responsible.

   同义词advancedcomplexgrownupmatureresponsiblesophisticated

   反义词childishimmatureinfantilejuvenilepuerile

3. Sexual or explicitB2informal

   Containing or relating to sexual content intended for mature audiences.

   成人

   • This website contains adult content.
   • The store sells adult magazines.
   • The film has adult themes and nudity.

   同义词blueeroticexplicitindecentobscenepornographicraunchysalacious

   反义词childishinnocentwholesome

• 指已经完全发育成熟的人，通常指年满18岁或以上的人；也可指成年动物。

A noun referring to a person who is fully grown or developed, typically aged 18 or older.

1. Mature personA1formal

   A person who is fully grown or developed, typically 18 years or older.

   成年人

   • Only adults are allowed to enter the bar.
   • The adult in the room should take responsibility.
   • She is an adult now and lives independently.

   同义词grownupmajor

   反义词childinfantminoryouth

2. Fully developed organismB1formal

   A fully grown animal or plant.

   成体

   • The caterpillar became an adult butterfly.
   • Adult elephants are much larger than calves.
   • The adult frog left the pond after metamorphosis.

   反义词embryojuvenilelarva