人们在室内的长期停留，越来越依赖于空调环境。
People stay indoor long time and rely on air conditioning environment more than before.
美国宇航局现在设想让宇航员在火星上长期停留大约500天。
Currently NASA envisions a long stay for a crew at Mars, about 500 days.
该爆炸设备在机场附近一辆长期停留的汽车内发现，含有易燃液体。
The device, found in the long-stay car park near the airport, was found to contain flammable liquid.
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