Sudden onset
[医] 骤起(病)
🧩 词语组成解析
sudden
['sʌdn]
adj. 突然的，未预见到的;急躁的，仓促的;快的，迅速的;急剧;
onset
['ɑnsɛt]
n. 攻击，袭击;开始，动手;[医]发病;
🗣️ 情景例句
That's amazing!
太令人吃惊了，真棒！
He is speaking on another phone.
他正在接听别的电话。
the line that the pen was drawing wriggled from side to side.
笔所画出的线就会左右摆动。