Cogwheel
n. 钝齿轮, 嵌齿轮
✅ 同义词
🗣️ 情景例句
Hey, that must be Pete!
嗨， 那一定是Pete
To kick off the paint bucket
踢下油漆桶
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。