您要查找的是不是：
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- A mound of stones erected as a memorial or marker. 锥形石冢一堆石头，用于表示纪念或标志
- He lay in his bunk under a mound of blankets. 他躺在铺上，身上盖了一大堆毯子。
- There is a mound of papers on my desk. 我的办公桌上放了一大堆文件。
- There's a mound of books on my desk. 我的书桌上有一堆书。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- The bulldozer leveled the mound of earth. 推土机把土堆铲平。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- The drain is blocked and needs unplugging. 排水管堵塞了，得疏通一下。
- The bathtub drain needs repairing. 浴盆的排水管需要修理。
- A low mound or ridge of earth; a knoll. 小丘低土丘或圆岗; 小丘
- All hands turned out to repair the terraces and drain the water. 所有劳动力都出来整修梯田，排除积水。
- Resembling a pile or mound; heaped up. 堆积的象堆或垛状的; 堆积的
- mound drain 堆石排水沟
- All of our best laid plans are down the drain. 我们所有精心布置的计划都付之东流
- A small mound of loose earth raised by a burrowing mole. 鼹鼠丘一个由挖洞的鼹鼠弄起来的小堆松散的泥土
- A sewer or drain crossing under a road or embankment. 涵洞横在公路或堤岸下面的下水道或排水管
- If you leave college, all that money has gone down the drain! 你要是中断大学的学习，你花的钱就会都付诸东流了。
