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黑洞是一片巨大的区域,其重心吸引力极强,以至于光都无法逃脱。
Black holes are regions that are so massive, their gravitational pull so strong, that not even light can escape.
youdao
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黑洞是一片巨大的区域,其重心吸引力极强,以至于光都无法逃脱。
Black holes are regions that are so massive, their gravitational pull so strong, that not even light can escape.
youdao