柯林斯詞典sinus /?sa?n?s/ (sinuses) 1. N-COUNT Your sinuses are the spaces in the bone behind your nose. 鼻竇[usu pl] I still suffer from catarrh and sinus problems. 我仍然患有黏膜炎和鼻竇炎。 返回 sinus劍橋詞典 sinus noun (SPACE IN BODY) [ 可數(shù)名詞：有複數(shù)形式的名詞 ] any of the spaces inside the head that are connected to the back of the nose 竇，鼻竇 [ 可數(shù)名詞：有複數(shù)形式的名詞 ] medical specialized a space or passage filled with pus (= a thick yellow liquid ) that flows to the surface of the skin 竇道（膿液流出的琯道） sinus noun (HEART) [ 不可數(shù)或單數(shù)名詞：沒有複數(shù)形式的名詞 ] medical specialized the sinoatrial node (= tissue in the heart responsible for the heart's rhythm ) （控制心率的）竇房節(jié) The electrocardiogram will confirm sinus bradycardia. 心電圖將証實竇性心動過緩。 返回 sinus