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
I'll need a few minutes to check over my notes again.
我再需要几分钟来核对一下我的笔记。
Which one is more convenient?
哪一个是比较方便的？
A robot-arm from the Endeavour will grab the telescope and hold it while the astronauts make the necessary repairs.
当宇航员进行必要的修复工作时，“奋进”号上的一只机器手将抓住望远镜并托住它。