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- 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 layer of coarse gravel is often placed around the drain tile. 常常在排水瓦管周围铺一层粗石砾。
- Gravel and sand are readily compactable and easy to drain. 沙砾土或沙土既容易压实,也容易排水。
- My father scratched gravel for Shanghai last night. 我父亲昨晚匆匆忙忙去了上海。
- The road is covered with gravel. 这路用砾石铺成。
- We bumped up and down along the gravel path. 我们沿砾石小路颠簸而行。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- 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 gravel ingredient of concrete. 石碴组成混凝土的砂料
- The bathtub drain needs repairing. 浴盆的排水管需要修理。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- 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。
- The workers mixed the asphalt with sand and gravel together. 工人们把沥青和沙子、石块混合在一起。
- The car bumped on the uneven surface of the gravel road. 汽车在高低不平的砾石路面上颠簸着。
- 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
- gravel drain 砾石排水沟
- 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
