气管内的

例句：

1. 1. The scientist studied the structure of thehuman brain in detail.
   这位科学家详细研究了人类大脑的结构。
2. 2. The team worked togetherto solve the problem within a short time.
   团队共同努力，在短时间内解决了这个问题。
3. 3. She kepther secrets inside her heart.
   她把秘密藏在心里。