grindstone
n
1 stone shaped like a wheel, turned on an axle, against which one holds knives or other tools to sharpen them 砂轮.
2 (idm 习语) keep one's/sb's nose to the grindstone => nose1.
🗣️ 情景例句
This vacation is for you and me.
这是我和你的假期。
Should I take the bus?
要乘公共汽车吗?
Among the different types of bee, it is the honey bee that has most interested scientists because of the language they use to communicate with each other.