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31. | He says warm air over the Atlantic will cause increased hurricane activity. |
| 他说,大西洋上空的暖空气是造成严重的飓风的原因。 |
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32. | Currents of warm air keep the hang-gliders aloft. |
| 悬挂式滑翔机藉着暖气流在高空飞行. |
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33. | Warm air can contain more water vapor than cold air. |
| 热空气要较冷空气容纳更多的水蒸汽。 |
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34. | The warm air steamed up his glasses as he entered the room. |
| 他进房间时,热空气使他的眼镜布满了水汽。 |
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35. | "A cold front is formed when cold air moves into an area of warm air. |
| 冷锋是冷空气进入时热空气的范围时所形成的。 冷空气迫使热空气上升而形成层云 |
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36. | Water vapor in the rising warm air condenses to liquid water. |
| 上升的暖空气中的水蒸气冷凝成液体的水。 |
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37. | they use thermals, rising columns of warm air, to gain height. |
| 所以必须依靠上升的热气流来提高飞行高度。 |
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38. | The warm air steamed up my glass as I entered the room. |
| 我一进屋暖空气把我的眼镜蒙上了一层水汽。 |
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39. | Warm air tends to rise and creates areas of high pressure. |
| 热气易于上升,产生高压地带。 |
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40. | Rain occurs when a mass of warm air laden with water vapor rises. |
| 当满含水汽的暖空气团上升时,就会下雨。 |
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