柯林斯词典onset /ˈɒnˌsɛt/ 1. N-SING Theonsetof something is the beginning of it, used especially to refer to something unpleasant. (尤指不愉快事情的) 开始 Most of the passes have been closed with the onset of winter. 随着冬天的来临，大多数的关卡都已经关闭。 返回 onset剑桥词典 the onset of sth the moment at which something unpleasant begins （指不愉快的事情）的开始，发作 the onset of winter 冬季的开始 The new treatment can delay the onset of the disease by several years . 新的治疗方法可以把疾病开始的时间延后几年。 phonetics specialized the first part of a syllable 音节首 比较coda rhyme noun 返回 onset