您要查找的是不是：
- He came to look at the drainage. 他是来检查排水设备的。
- That ditch drains water from the swamp. 那条沟于沼泽中的水排出。
- The drainage system has been aged. 排水系统已经老化了。
- We were beset by mosquitoes in the swamp. 我们在沼泽地遭受蚊虫围攻。
- Their company is in a financial swamp. 他们的公司陷入了财政困境。
- In the swamp we were beset by mosquitoes. 我们在沼泽地受到蚊子的围攻。
- swamp drainage 沼泽排水
- The heavy rain has turned the small garden into a swamp. 大雨使这小花园变成了一块沼泽地。
- Myriad of mosquito from the swamp invade our village every twilight. 每天黄昏无数蚊虫从沼泽地飞来侵袭我们的村子。
- They drained the swamp and turned it into fertile land. 他们排去沼泽地的水，将它变成了肥沃的土地。
- The swamp teems with mosquitoes. 这片沼泽地蚊子多极了。
- The drainage of the town is not good, some of the pipes are broken. 城里的排水系统不好,有些水管断裂了。
- The old fort flanked on a swamp. 古碉堡的一侧靠着沼泽。
- The swamp country is inclined to poach in winter. 这片沼泽地带在冬季一踏就陷下去了。
- We must dig a drainage ditch to run off the water. 我们得挖一条排水渠把水排掉。
- American song sparrow and swamp sparrow. 美洲的歌雀和沼泽雀。
- The town's drainage is very efficient. 这城市的排水系统很好。
- A swamp opposed the advance of the army . 一沼泽地阻止了军队前进。
- The swamp teemed with mosquitoes . 这块沼泽地里有许多蚊子。
- A drainage passage, as to a culvert. 排水沟排水通道，如阴沟
