clearing heat and freeing strangury

例句：

1. 1.The team cleared the snow from the driveway before they started their work.
   在开始他们的工作之前，团队把雪从车道上清除。
2. 2. She cleared her throat and tried to speak clearly.
   她清了清喉咙，试图清晰地说话。
3. 3. The teacher cleared his voice and began to explain the problem.
   老师清了清嗓子，开始解释这个问题。