他脱掉了他的棕色无带鞋。

He removed his brown slip-ons.

《柯林斯英汉双解大词典》

由于木星其中一条棕色云带隐藏起来了，所以木星的亮度会比平常亮4%。

Jupiter is also brighter than usual by about 4 percent because one of its brown cloud belts is hidden.

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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.

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