proxima
n.
（半人马座）比邻星（亦作 Proxima Centauri）;
例句:
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The barycentric protoplanetary disk may have contained too much angular momentum to assume a tighter orbit around Proxima.
来自SA
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That companion start may still be in orbit, as Proxima Centauri.
来自SA
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They are the closest stars to the sun after their smaller companion Proxima Centauri.
来自MSN