Echolucent
[医]无回音区
🗣️ 情景例句
Hello, it's good to see you again.
很高兴又见到你。
It is right to put everything in its proper use.
凡事都应该用得其所。
She got up before 7 o'clock in the morning, and quickly washed her hands and face.
00以前起床，快快地洗手洗脸。