Guamycin
[化] 瓜霉素
🗣️ 情景例句
When was your reservation?
您预定的是什么时候？
A happy heart makes a blooming visage.
心花怒放，笑逐颜开。
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。