Module 5 Great People and Great Inventions of Ancient China
1. Ancient China was a place where states were often at war with each other.
古代中国各诸侯国之间经常发生战争.
at war with 和……处于战争状态, “at +不带冠词的名词” 表示“从事某工作”或 “ 处于某种状态”, 如:
He is at work. === He is working.
The family are at breakfast ==== The family are having breakfast.
He is at rest in the bed. ==== He is resting in the bed.
类似表达有:
at dinner /at lunch /at play
