音标: 英 [ˈtrɒpəusfɪə] 美 [ˈtropəˌsfɪr, ˈtrɑpə-]
1. The troposphere is around 10 kilometres thick.
对流层的厚度大概为十千米
2. Any time metal breaks the upper troposphere, it can acquire a temporary radioactive charge.
任何时候只要金属在对流层上部发生破损 就会暂时带上放射性电荷
3. For decades it was thought that all our weather happened in just one layer of the atmosphere, the troposphere, but scientists have discovered that the layer above, the stratosphere, is also fundamental to our weather.
几十年来我们都认为天气现象只发生在 大气层中的一层 也就是对流层中 但是科学家们发现对流层上方的 平流层也对天气起到重要作用
4. Right now, the balloon's rising through the troposphere which is the lower level of the atmosphere where most of our weather happens and up near the top of that layer, that's where the jet stream runs, about 10 kilometres up.
现在 气球正在穿过对流层 它是大气层的最低层 大多数天气现象都发生在那里 在对流层的顶部 约十千米的高空 就是急流活动的地方