Rayl
n. [物]瑞利(比声阻抗的单位)
🗣️ 情景例句
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
We noticed the noise.
我们注意到了那种声音。
We are all taking medicine against the disease.
我们都服药治疗疾病。