暗一些的水星，比金星更难观测到，而最近一段时间，可以在金星的右侧看到水星，未来一周水星相对于明亮的金星，地平高度会越来越低。
Mercury, however, is dimmer and usually harder to find. Recently, though, Mercury can be found just to the right of Venus, appearing increasingly below the brighter planet over the next week.
波纹比沙丘移动的慢，因此经过一段时间，波纹会将沙丘掩盖，这也就解释了这里明亮的色调。
Because of this, over time, ripples get covered with dust, possibly explaining the bright tone visible here.
读书也是一段快乐的时光，因为读书使我心胸开阔，心无限明亮。
Reading is fun for some time, because reading makes me open-minded, bright and unlimited heart.
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