[with obj.]set or turn (something) on its end or upside down 颠倒 she upended a can of soup over the portions. 她把一罐罐装汤分倒在每份菜上。 [as adj. upended]an upended box. 倒扣的盒子。 ■[no obj.](of a swimming duck or other waterbird) submerge the head and foreparts in order to feed, so that the tail is raised in the air (水中的鸭或其他鸟捕食时头与前腹部潜入水中,尾部翘起)倒栽葱