Postcricoid
[医]环状软骨后，环状软骨后的
🗣️ 情景例句
What's the problem?
什么事？
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。