Physica
n. 自然史（医学书籍名）
🗣️ 情景例句
It was so nice to be out in the country.
出去置身乡下真是太好了。
How long have you been studying English?
你学英语多久了？
Eventually chains were fixed to one end of the dish and a powerful winch was put into operation.
不过，他们终于将链条固定在盘子的一端，一台大功率的绞车开动起来。