Dof
[计] 自由度, 设备输出格式
🗣️ 情景例句
Could we make it tomorrow at nine?
明天9点怎么样？
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。