move in a turbulent fashion (诗/文)打滚,翻滚 the streams foam and welter. 溪流冒着泡沫,翻滚流动。 ■lie steeped in blood with no help or care 倒在血泊中(无助或无人照顾)
noun
a large number of items in no order; a confused mass (杂乱的)一堆;一片;一批 there's such a welter of conflicting rules. 有一大批杂乱的互相冲突的规定。 ■a state of general disorder 杂乱无章,一片混乱 the attack petered out in a welter of bloody, confused fighting. 那次攻击结果变成了一次血腥的、一片混乱的战斗。
语源
Middle English (in the sense 'writhe, wallow'): from Middle Dutch, Middle Low German welteren