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天文学家宣布在我们的太阳系外发现了32颗新的行星。
Astronomers have announced the discovery of 32 new planets orbiting stars outside our solar system.
youdao
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天文学家宣布在我们的太阳系外发现了32颗新的行星。
Astronomers have announced the discovery of 32 new planets orbiting stars outside our solar system.
youdao