over this small thing
因为这个小东西
以上为机器翻译结果,长、整句建议使用 人工翻译 。
"There have been 'gravitational lensing' detections before over small areas, but this is the first time we've been able to do this kind of thing over the whole sky, " he told BBC News.
BBC: Planck telescope: A map of all the 'stuff' in the cosmos
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