1·All kinds of vehicles weltered together.
各种车辆杂乱无章地混在一起。
2·They weltered in pleasure and idleness.
他们沉溺于享乐和闲逸中。
3·The survivors weltered in the sea for five days.
幸存者在大海中颠簸了五天。
4·The survivors weltered in the sea for five days.
幸存者在筏子上漂浮了六天。
5·Score technical successes, even if their backers weltered in red ink.
即使让赞助者陷入了亏空的境地，也要在技术上取得成功。