Hemadromometer
[医] 血流速度计
🗣️ 情景例句
When I told them
当我告诉他们
Lovers live by love,as larks live by leeks.
情侣靠爱情生活，正象云雀靠韭葱生活一样。
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。