Rayl
n. [物]瑞利(比声阻抗的单位)
🗣️ 情景例句
Can I help with anything?
我能帮什么忙吗
Kindness is the golden chain by which society is bound together.
善良是连结社会的金链。
Make sure that all bottles are opened in your presence,
确保瓶子是当着你的面开启的，