Rarifies
vt. 使成精细；使变稀薄\\nvi. 变稀薄；纯化
🗣️ 情景例句
Terrific!
太好了！
Don't worry. Everything will work out all right.
别担心了，一切都会好的。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。