Unitrope
单位重切面
🗣️ 情景例句
You have nothing to worry about.
你没有什么好担心的。
He that is master of himself will soon be master of others.
能主宰自己的人不久就可以主宰别人。
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。