unilluminated hemisphere

例句：

1. 1. The team's performancein the game was a unilluminated hemisphere compared to their previousmatches.
   与之前的比赛中相比，该队在这场比赛中的表现是一片无光的半球。
2. 2. The researcher found that theunilluminated hemisphere ofthe brain plays an important role in decision-making.
   研究者发现，大脑的无光半球在决策过程中起着重要作用。
3. 3. Thescientist discovered a new mechanism in the unilluminated hemisphere of thebrain that could potentially cure cancer.
   科学家在大脑的无光半球发现了一种新的机制，这可能有助于治疗癌症。