Afterwards he found a sunspot group which lived long enough to disappear from view on the western limb of the sun, to reappear on its eastern limb, and finally to regain its old position.
后来，他发现了一个太阳黑子群，它存在时间很长，从太阳的西边消失，又在东边出现，最后又回到原来的位置。
Get enough sun exposure, he says, and skin will wrinkle long before its time.
在阳光下暴露足够久，皮肤的皱纹就会出现得早得多。
Before long, he saw a man dressed in green come in and ask Sun to go with him.
不久，他看到一个穿绿衣服的人进来，叫孙大夫跟他走。
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