久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

onset

英 ['?nset] 美['ɑns?t]
  • n. 開(kāi)始，著手；發(fā)作；攻擊，進(jìn)攻

英英釋意

1. the beginning or early stages;
"the onset of pneumonia"
2. (military) an offensive against an enemy (using weapons);
"the attack began at dawn"