PCA

剑桥词典

[ 不可數或單數名詞：沒有複數形式的名詞 ]
abbreviation for patient controlled analgesia: a process in which patients suffering pain can control when and how they receive a drug to reduce their pain
自控式鎮痛（patient controlled analgesia的縮寫）
[ 可數名詞：有複數形式的名詞 ]
abbreviation for posterior cerebral artery : a blood vessel that supplies blood to the back of the brain
大腦後動脈（Posterior cerebral artery的縮寫） 返回 PCA