They have discovered now , previou sly unimagined objects - pulsars, quasars, and black holes.

他们发现了以往想象不到的新客体 —— 脉冲星 、 类星体和黑洞.

辞典例句

They have discovered now, previously unimagined objects - pulsars, quasars, and black holes.

他们发现了以往想象不到的新客体 ― ―脉冲星 、 类星体和黑洞.

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Fortunately, the study didn't uncover huge, unimagined dangers to patients.

所幸的是, 研究并未发现这种药对病人会有大到不可想象的危险.

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