Monogen
单价元素
🗣️ 情景例句
I promise not to think about the city.
我保证不再去想城里的事。
Eat to please thyself, but dress to please others.
吃是使自己受用，穿是使别人受用。
They arrived early on a Tuesday morning.
他们是在一个星期二的清早到工厂的。