您要查找的是不是：
- They ground the knife on a grindstone. 他们在磨刀石上磨刀子。
- Some horses were drinking at a trough. 有些马在水糟边饮水。
- Our factory produces grindstone. 我们工厂生产磨刀石。
- grindstone trough 磨石水盘
- For years he has been smuggling watches trough customs. 许多年来，他一直在非法走私手表。
- The crank used to give motion to a grindstone or similar device. 摇柄，曲柄用于给石磨或其他装置施力的把手
- It's a pity I have to get back to the grindstone. 遗憾的是我不得不回去工作。
- He grinds the ax on the grindstone. 他在磨刀石上磨斧头。
- So she quickly emptied her jar into the trough. 她迅速地把水罐里的水统统倒进水槽。
- They passed trough the village yesterday evening. 他们昨天晚上路过这个村子。
- The teacher believed in hard work and always keep our nose to the grindstone. 老师提倡勤奋，而且也总是要我们埋头读书。
- A trough or flume used in washing ore. 槽洗机洗矿用的水槽或流槽
- The boss kept his nose to the grindstone. 老板不停地工作。
- The teacher believed in hard work and always kept our noses to the grindstone. 老师提倡勤奋,而且也总是要我们埋头读书。
- He's got to keep his nose to the grindstone to feed his six children. 他得一刻不停拼命做才能养活他那六个孩子。
- A trough fixed under or along the eaves for draining rainwater from a roof. 檐槽把雨水从房顶排走的水槽，装在屋檐边或檐下
- The trough is the lowest level of the cycle. 谷底是整个周期的最低点。
- A vessel, stone basin, or trough used for washing. 洗涤盆用于洗涤的器皿、石盆或用来清洗的水槽
- He ground his knife on a grindstone. 他在磨刀石上蹭刀。
- He sharpened the edgeof his knife on a grindstone. 他在磨石上磨快了他的刀刃。
