Menalgia
[医] 痛经
🗣️ 情景例句
Don't worry. She'll be fine.
不要担心， 她会好的
Quality matters more than quantity.
质重于量。
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。