They are able to align themselves in the current like windsocks at an aerodrome, so that they find the best position for power generation.
它们就像飞机场的风向袋，能在水流中保持方向，这样可以找到最好的发电位置。
They are able to align themselves in the current like windsocks at an aerodrome so that they find the best position for power generation.
它们就像飞机场的风向袋，能在水流中保持方向，这样可以找到最好的发电位置。
Famed astronomer Johannes Kepler noticed that comet tails always point away from the sun, implying that sunlight itself was pushing them around like cosmic windsocks.
伟大的天文学家约翰尼斯·开普勒注意到所有彗星的尾巴都背离太阳，这说明太阳光会将它们推向后方，在彗星周围形成一个类似风向袋的形状。
On this day families with boys fly beautiful multi-colored carp windsocks outside of homes to wish their sons a good future. The number of the carp windsocks represent the number of sons.
这一天，凡有男孩的家庭都在室外挂美丽的七彩鲤鱼旗来祝愿男孩子有美好的未来，家里有几个男孩就挂几面鲤鱼旗。
On this day families with boys fly beautiful multi-colored carp windsocks outside of homes to wish their sons a good future. The number of the carp windsocks represent the number of sons.
这一天，凡有男孩的家庭都在室外挂美丽的七彩鲤鱼旗来祝愿男孩子有美好的未来，家里有几个男孩就挂几面鲤鱼旗。
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