Coalgebra
上代数
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
I wish I could, but it's already late.
我是想多呆一会儿，但是时间已经很晚了。
During the journey, their boat began to sink.
途中，船开始下沉，