柯林斯詞典posterior /p??st??r??/ (posteriors) 1. N-COUNT Someone's buttocks can be referred to as their posterior. 後臀[幽默] 2. ADJ Posterior describes something that is situated at the back of something else. 背後的; 後部的[毉學(xué)] [ADJ n] ...the posterior leg muscles. ...該腿部後側(cè)肌肉。 返回 posterior劍橋詞典anatomy specialized positioned at or towards the back 後部的；尾部的 formal later in time （時間上）稍後的 比較anterior (1) 返回 posterior