floating on water(在水中)漂浮的
She spent seven days afloat on a raft.她在一只木筏上漂流了7天。
He managed to keep/stay afloat by holding on to the side of the boat.他抓住了船舷才使自己没有沉到水底。
having enough money to pay what you owe有偿债能力的;经济上周转得开的
Many small businesses are struggling to stay/keep afloat.许多小企业惨淡维持经营。