Preoiler
预先加油器, 预润滑器
🗣️ 情景例句
You have to expect the unexpected in Shanghai.
在上海，你总会有意想不到的收获。
A horse stumbles that has four legs.
人有失手日，马有失蹄时。
It almost looks as if someone has drawn it.
看起来好像这只鹿是画上去似的。”