Annularity
n. 环状, 轮状
🗣️ 情景例句
Don't fly off the handle.
不要这么冲动。
How well do you know French?
你法语好吗？
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题，需要对大量生活在噪音中的人进行研究，