Defstruct
定义结构
🗣️ 情景例句
More than 50% of marriages are doomed to fall.
50%的婚姻都注定以失败告终。
Education has for its object the formation of character.
教育的目的在于培养品德。
It is not just farmers who are complaining.
并不仅仅是农民在抱怨。