音標發(fā)音英式音標 [?k?t.?n ?b?d]美式音標 [?kɑ?.t??n ?b?d]英式發(fā)音 美式發(fā)音 基本解釋（尤指用于清潔耳朵的）棉簽。同根派生 cotton bud相關詞英英字典劍橋英英字典 a short stick with a small amount of cotton on each end that is used for cleaning, especially the earscotton bud劍橋字典cotton bud柯林斯字典