Heterocyclics
杂环族化合物
🗣️ 情景例句
Different kinds of activities, such as commenmorative meetings, planting trees,
举行各种各样的活动，例如召开纪念大会，植树造林，
Yes, to be sure.
是的，没错
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。