Flashcard
| Lubricate |
| make (machinary) smooth and easy to work by putting on oil, grease, or a similar substance با قرار دادن روغن ، گریس و مواد مشابه ، کار با ماشین آلات را راحت و هموار کردن ، روغن کاری کردن a. The bulky wheels of a railroad train must be lubricated each week. b. A large quantity of grease is needed to lubricate an airplane engine. c. When a watch is lubricated, it keeps more accurate time. |
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