youdao

They must also keep swimming to keep from sinking, since most have largely or completely lost the swim bladder, the gas-filled sac that helps most other fish remain buoyant.

它们还必须不停地游动以避免下沉，因为大多数鱼基本上或完全失去了鱼鳔，这个充满气体的囊帮助大多数其他鱼保持浮力。

youdao

Keep swimming, tennis, basketball and other sports schedules.

按时上游泳，网球和篮球等运动课。

youdao

The only thing to do is just keep swimming, riptides be damned.

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Either I keep swimming through this stream of information or I die.

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We do our best, trust to luck, and just keep swimming.

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