Question

onset n.攻击，袭击;开始，动手;[医]发病; pl:onsets~

Accepted Answer

英[ˈɒnset]  美[ˈɑnset] N-SING（尤指不快之事的）开始，开端，肇始The onset of something is the beginning of it, used especially to refer to something unpleasant.例：Most of the passes have been closed with the onset of winter...冬天来临，大部分关口均已关闭。例：With the onset of war, oil prices climbed past $30 a barrel.战争一爆发，油价就攀过了每桶30美元。

单词	onset
音标	英[ˈɒnset] 美[ˈɑnset]
解释	n.攻击，袭击;开始，动手;[医]发病;
例句	N-SING （尤指不快之事的）开始，开端，肇始 The onset of something is the beginning of it, used especially to refer to something unpleasant. 例：Most of the passes have been closed with the onset of winter...冬天来临，大部分关口均已关闭。例：With the onset of war, oil prices climbed past $30 a barrel.战争一爆发，油价就攀过了每桶30美元。
变形	pl:onsets~

Onset 英[ˈɒnset 美[ˈɑnset N.攻击，袭击;开始，动手;[医]发病 N Sing 尤指不快之事的）开始，开端，肇始 Beginning Refer