Whetstone
n. 磨石
✅ 同义词
📖 牛津释义
whetstone
n shaped stone used for sharpening tools, eg chisels, scythes, etc 磨石; 磨刀石; 油石.
🗣️ 情景例句
You're ahead.
你领先呢。
There is no royal road to learning.
治学无坦途。
Did you give our English teacher a card for Teachers' Day?
你给了我们的英语老师教师节贺卡了吗？