Preoiler
预先加油器, 预润滑器
🗣️ 情景例句
spending so much time together?
老是在一起呢？
A good beginning is half done.
良好的开端，就是成功了一半。
But there are some parts of the word where even now people cannot write.
但直到现在，世界上有些地方，人们还不会书写。