Variacyclomycin
变环霉素
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
To know the disease is half the cure.
找出病根等于治愈了一半。
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。