When Euphrates poplar grows, it is known as a dry pole.

当胡杨生长的时候，它就被称为干燥棒。

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If you know the patient is still in contact with the electrical source and you know it is low voltage, you can move the wire or the patient to a safe position with a dry pole or rope.

如果能确定病人仍然与电源相连但电压较低，可以用干燥的杆子或绳子移开电线或将病人移至安全地带。

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The photographs actually show sand dunes coated with a thin layer of frozen carbon dioxide, or dry ice, less than 240 miles from the planet's north pole.

这张图片实际显示的，是距离火星北极不足240英里的沙丘上覆盖的一层薄薄的冰冻二氧化碳、或干冰。

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An annual winter chills the southern hemisphere, creating around the pole a frost composed in large part of frozen carbon dioxide, or dry ice.

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