Ergosphere
n. [天]能层(\黑洞\周围假设的封闭区)
🗣️ 情景例句
It was a pleasure meeting you, too.
我也很高兴碰到你。
I often go to market in the afternoon.
我常常在下午去市场。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，