Preoiler
预先加油器, 预润滑器
🗣️ 情景例句
Did you see what Diane was eating? And she's on a diet.
你看戴安妮在吃什么吗？她在节食啊。
Which one is more difficult?
哪一个是比较难的？
not only the means of sustenance,
这不仅是谋生的手段，