He clung tightly to the raft to keep himself afloat.
Hurling his arms and legs about wildly, Jim kept afloat but wasted much effort.
吉姆手腿乱扑乱打, 自己虽然仍浮在水面上,但却耗费了不少体力.
I was sure the " Beauty " could not keep afloat for a long time.
我断定这艘 “ 美人号 ” 不会浮在水面上太久了.
The sailors were bailing all of the heavy barrels to keep the ship afloat.