Recent space travels have shown that the body needs special exercise in a spaceship to suit the weightless conditions.

最近的宇宙飞行表明，人体需要在宇宙飞船中进行专门训练才能适应失重的情况。

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This makes it a great choice of exercise for people with special needs, like pregnant women,older adults, and persons who are overweight.

VOA: special.2010.06.08

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

When the south votes in the 2011 referendum, Abyei state will exercise a special dispensation (which is nothing to do with the ruling at The Hague) letting it choose whether to stay in a federal Sudan or to secede with the south.

ECONOMIST: A ruling from The Hague pleases the north and vexes the south

Another worry is that any restraint Serbia might exercise on its special forces and paramilitary units could be lost if communication systems are destroyed by bombing.

ECONOMIST: The West versus Serbia

Afghanistan may be landlocked, but the Marines' own elite unit, the Special Boat Service, who often train and exercise alongside the SAS, could also be deployed.

BBC: Elite UK troops stand by