upend
/ʌpˈend/verb
with obj.
- set or turn (something) on its end or upside down使倒立; 颠倒：
she upended a can of soup over the portions
她把一罐罐装汤颠倒放在每份菜上
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。