音标发音英式音标 [kəz]美式音标 [kəz]英式发音 美式发音 基本解释(口語)因爲, 餘弦(cosine的縮寫)。同根派生 cos相关词英汉例句conjunctionYou can cook dinner tonight cos I did it last night. 今晚該你做飯了,因爲昨晚是我做的。nouncos更多例句英英字典劍橋英英字典 not standard for because written abbreviation for cosinecos剑桥字典cos柯林斯字典