Lubricating device
[化] 注油器
🧩 词语组成解析
润滑的
🗣️ 情景例句
Robbie pulled a boy out of the water.
Robbie从水中救出一个孩子。
A man may lead a horse to the water, but he cannot make him drink.
牵马到河易，强马饮水难。
They are too high. Be careful, Jim! It's dangerous.
它们太高了，小心，吉姆！那很危险。