The cause of the dark patch of water in the upper left quadrant of the image is unknown.
图片左上方四分之一处的深色块海域是未知区域。
Soon after the upgrades, Hubble took aim at a dark patch of sky, gathering infrared light for a total of four days to detect the very faintest objects.
更新后不久，哈勃便把目标锁定太空的一处黑暗区。在连续收集了四天红外光后，哈勃发现了极其微弱的物体。
They form where giant loops of magnetism, generated deep inside the sun, well up and burst through the surface, leading to a localised drop in temperature which we see as a dark patch.
当太阳内部深处形成巨大的磁力环，该处将会产生井喷并突破太阳表面，从而使表面的局部地区温度下降，看上去就像一个暗斑，这就是黑子的形成。
It was very dark inside: I could see nothing except a flaring gas-jet that illuminated a patch of plaster wall, throwing everything else into deeper shadow.
里面很黑，什么也看不见，只有一盏煤气灯照亮了石灰墙上的一片地方，别的全隐没在更黑的阴影中。
The sun is just a dimly glowing patch of cloud across which flurries of snowflakes swirl and eddy, dark patterns against the glow.
太阳只是一朵朦胧发光的云，穿越了疾风飞雪的漩涡，光亮衬托出深黑的外形轮廓。
Colour: Completely white; only one black or dark coloured patch around the eye may be admitted, provided that it does not cover more than 10% of the head.
颜色：全白，只有一个黑色或深色的眼睛颜色的补丁周围可能会承认，只要它不包括超过10%的头部。
He looked up at Hermione, whose bushy hair obscured the tiny patch of sky visible through the dark branches high above them.
他抬眼望着赫敏，她那浓密的头发遮住了高高的黑色树梢间那一小块天空。
A deep exposure shows everything from dark nebula to star clusters, all imbedded in an extended patch of gaseous wisps in the greater Orion Molecular Cloud Complex.
从深空的影像中显示，在猎户座分子云复合体之中，延展的云气丝藏了无数的黑暗星云到星团的补丁。
Suitable crowd: The skin metabolism is slow, patch, dark mute, yellow complexion without splendor. The person wants to have white skin for a long time.
适用人群：皮肤代谢缓慢、色斑、暗哑、黄气无光泽的肌肤或希望肌肤持续白皙者。
Suitable crowd: The skin metabolism is slow, patch, dark mute, yellow complexion without splendor. The person wants to have white skin for a long time.
适用人群：皮肤代谢缓慢、色斑、暗哑、黄气无光泽的肌肤或希望肌肤持续白皙者。
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