包含南赤道带的木星云就不见了，天文学家说，云层它们只是被氨冰组成的白云所遮盖，漂浮在高于明显、带状棕色的云层的空间里。
Astronomers say they're simply being obscured by white clouds of ammonia ice, which float at higher altitudes than the belt's prominent brown clouds.
太阳系的边缘由中性原子组成，它们被紧紧地压缩在一条狭窄的带状区域中，而不是均匀分布。
Neutral atoms, which are the only way to image the fringes of the solar system, are densely packed into a narrow ribbon rather than evenly distributed.
带状光谱由一组波长组成，它们密集在一起，许多线看起来就像是一条连续的带。
A band spectrum consists of groups of wavelengths so close together that the lines appear to form a continuous band.
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