你知道太阳活动是有周期的。
You can see a picture of another ice-crystal light phenomenon, a sun dog.
你可以看见另一冰晶体光的现象图片,太阳狗。
"This is when you see more age spots, sun spots, and discoloration," says Graf.
“这是当你看到皮肤上更多的老年斑,晒斑和暗斑的时候,”格拉芙说。
This was because all you could see was the very blue sky and the very hot sun.
VOA: special.2009.01.14
and in the summer time you see a lot of people over there getting some sun.
在夏天,你可以看到许多人在那里晒太阳。
If it's cloudy, you don't even see the sun.
要是多云,连太阳都看不到。
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