posterior

• 指位于身体或物体后部或背侧的；在解剖学中，指身体的背面或靠近背部的一侧（与“前”相对）。

Relating to the back or rear part of something; in anatomy, it refers to the back side of the body.

1. Located behindB2formal

   Situated at or near the back part of something, especially in anatomy.

   后部的

   • The posterior part of the brain controls vision.
   • The surgeon made an incision on the posterior side of the knee.
   • In humans, the posterior region of the body includes the back and buttocks.

   同义词backcaudalhindrearrearward

   反义词anteriorfrontfrontal

2. Later in timeC1formal

   Coming after something else in time or order; subsequent.

   后发生的

   • The posterior events of the story were less exciting.
   • His posterior works were not as well received as his early novels.
   • The decision was made at a posterior meeting.

   同义词ensuingfollowingnextsubsequentsucceeding

   反义词previousprior

• 名词，指人体坐着的部位，即臀部；也指位于口腔后部的牙齿。

A noun referring to the fleshy part of the human body that you sit on, or a tooth situated at the back of the mouth.

1. ButtocksB2formal

   The fleshy part of the human body that you sit on; the rear end.

   臀部

   • He fell and landed on his posterior.
   • The doctor examined the patient's posterior for any signs of injury.
   • She shifted uncomfortably on her posterior during the long lecture.

   同义词backsidebehindbottomderriererearrear endrump

2. Back toothC1formalmedical

   A tooth situated at the back of the mouth, typically a molar or premolar.

   后牙

   • The dentist said my posterior teeth need filling.
   • He has a cavity in one of his posterior molars.
   • Posterior teeth are crucial for chewing food properly.

   同义词back tooth