劍橋詞典[ 可數(shù)名詞：有復(fù)數(shù)形式的名詞 ] plural plicaeplicasa fold or ridge in the skin （皮膚的）皺襞，褶 Plica Syndrome occurs when the plica becomes irritated or inflamed . 當(dāng)皺襞變得發(fā)紅或發(fā)炎時(shí)，就出現(xiàn)了皺襞綜合癥。 [ 不可數(shù)或單數(shù)名詞：沒有復(fù)數(shù)形式的名詞 ] (also plica plonica) very dirty hair that is twisted into firm , tangled masses 糾發(fā)癥 返回 plica