oilstone

英 ['ɔɪlstəʊn] 美 ['ɔɪlstoʊn]

• n. 油磨刀石

英英释义

Noun:

1. a whetstone for use with oil

例句

用作名词 (n.)

1. Only oilstone is natural abrasives commonly used in machinery industry .
   机械工业中常用的天然磨具只有油石。