'tropopause'是英语单词,意思是对流层顶。它是大气层中对流层和平流层之间的一层,是大气圈中高度约为8-18公里处的空气层。在这一层中,气温平均每升高1千米,就会下降6至7摄氏度。
例句:
1. The tropopause separates the troposphere and the stratosphere.(对流层顶分隔了对流层和平流层)
2. The temperature in the tropopause is very low.(对流层顶的温度非常低)
3. The height of the tropopause varies with latitude.(对流层顶的高度随着纬度的改变而变化)
4. The thickness of the tropopause is different in different seasons.(对流层顶的厚度在不同的季节中不同)
5. Jet streams are located near the tropopause.(喷流靠近对流层顶)
6. The tropopause is an important boundary for atmospheric circulation.(对流层顶是大气环流的重要边界)
7. Ozone in the stratosphere is concentrated near the tropopause.(平流层中的臭氧主要集中在对流层顶附近)
8. The tropopause is the boundary between two major layers of the atmosphere.(对流层顶是大气层中两个重要层之间的边界)
9. The composition of gases in the tropopause is different from that in the troposphere.(对流层顶的气体组成与对流层不同)
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