1. 潤滑油，滑油粘稠的油或粘性物質(zhì)，尤指用作潤滑油的
   A thick oil or viscous substance, especially when used as a lubricant.
2. 為了減少摩擦，機器的可動部件常常涂上潤滑油。
   In order to reduce friction, the moving parts of a machine are often oiled.
3. 你再不加些潤滑油，發(fā)動機就要卡住了。
   Your engine will seize up if you don't put some more oil in.
4. 如果你老是怕麻煩，不給發(fā)動機添加潤滑油，發(fā)動機當然會失靈卡住啦。
   If you never bother to lubricate your engine, of course it will seize up.

潤滑的英語翻譯：

油的英語翻譯：