有不少游客问我，蜡梅和梅花都带“梅”字，是同一种花还是同属近亲？
Logitech’s latest productivity power-house updates one of the greatest mice of all time with smoother materials, a repair-friendly design and a haptic motor for phone-like vibrations on your desktop.
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* 桶排序（简化版：适用于0~max的整数）
What are Moon phases?According to NASA, the Moon takes about 29.5 days to orbit the Earth. Over the course of this period, it moves through eight recognisable phases, what we call the lunar cycle. While the same side of the Moon always faces us, the amount of its surface lit by the Sun changes as it continues along its path. The shifts in sunlight create the different appearances we see from Earth, ranging from a fully illuminated Moon to a thin sliver or near darkness. The eight phases are: