Beroida
瓜水母目
🗣️ 情景例句
She hasn't been employed for six months now.
她已经失业半年了。
The place is too stony for farming.
这地方太多石块，不适合耕种。
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。