Try water exercise, such as aqua aerobics.

试试水中有氧运动。

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Water aerobics is another popular form of exercise.

VOA: special.2010.06.08

During this mock exercise, water is used instead of chemicals to decontaminate people who play the role of survivors.

VOA: standard.2010.07.21

When you touch boiling water, for example,get a cut, or even exercise too much, a special receptor on the neuron is activated, sending a signal to the brain - that hurts!.

VOA: standard.2010.05.04

Four men are critically ill after falling from a ship into the water during an exercise drill at the Royal Portbury Dock near Bristol.

BBC: Four fall from ship at Royal Portbury Dock

Regional development minister Danny Kennedy answered a number of questions relating to water supply, including Exercise Watermill, a mock incident exercise held in October 2011 to stress test Northern Ireland Water's response capacity.

BBC: Question Time: OFMDFM and Regional Development

They'll install more places to sleep, another bathroom, a better water system, more exercise equipment and a bigger refrigerator.

CNN: Endeavour docks with space station