大脑

例句：

1. 1. The scientist's brain was working overtime to solve the problem.
   这位科学家的大脑正在超负荷工作，试图解决这个难题。
2. 2. She had a lot of experience in her field and could think clearly even when under pressure.
   她在她那个领域有丰富的经验，即使压力很大也能清晰地思考。
3. 3. It's important to keep your mind open and not be afraid to try new things.
   保持开放的心态，勇于尝试新事物是很重要的。