This recently released image from the Hubble Space Telescope shows many new details, but has not uncovered a clear cause of the bright sharp arc.

这幅最近公布的哈勃太空望远镜图像显示了更多新细节，但是明亮倒V字的明确原因依然没有被揭示出来。

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A thin coil of smoke rose almost invisibly into the sharp, bright sky.

一缕轻烟几乎不见踪迹地升上了耀眼的晴空。

《柯林斯英汉双解大词典》

She studied me with her sharp bright and beautiful eyes.

她用那双晶莹明媚的眼睛端详着我。

《新英汉大辞典》

The other, bursting in bright, sharp, joyful color, leaps straight out of last month.

CNN: CENTURY OF LIBERATION

The city looks splendid: bright and sharp against a clear autumn night sky.

FORBES: Hurricane Sandy - In the Eye of the Storm

The screen was very bright, sharp and not at all reflective, and the camera includes your standard array of inputs and outputs, including dual mic jacks, an SDI port, power and control.

ENGADGET