He looked young, dark and sharp-featured, with hollow cheeks.

他看起来很年轻，肤色黝黑，面部棱角分明，双颊凹陷。

《柯林斯英汉双解大词典》

Featured in this sharp telescopic image, globular star cluster Omega Centauri (NGC 5139) is some 15, 000 light-years away.

这幅高清望远镜图像显示的是距地15 000光年的半人马座欧米伽球状星团（NGC 5139）。

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Compared to the A-12, the SR-71 was larger, carried more fuel, and featured sharp sides to improve both stability and stealth.

相比a- 12,SR - 71体形更大，机载燃料更多，其具有特色的尖锐侧翼有助于提高稳定性和隐形能力。

youdao

Compared to the A-12, the SR-71 was larger, carried more fuel, and featured sharp sides to improve both stability and stealth.

相比a- 12,SR - 71体形更大，机载燃料更多，其具有特色的尖锐侧翼有助于提高稳定性和隐形能力。

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