您要查找的是不是：
- The anaerobic enrichment, which can degrade hexachlorobenzene effectively, was selected from the sewage sludge in barrel drain of a chemical plant in Wuhan. 并通过选择性培养基从武汉市某化工厂水沟的底泥中筛选出对于六氯苯具有良好降解效果的厌氧菌群。
- Drain off the rest of the wine from this barrel. 把桶里剩余的酒排出去。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- 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。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Peter had his head in a tar barrel sure enough. 不出所料，彼得陷入了困境。
- The worker repaired the barrel with a hoop iron. 这个工人用一个铁箍修桶。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- He made a barrel with staves by himself. 他自己用桶板做了一只桶。
- 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。
- He drew off a pint of beer from the barrel. 他从酒桶里抽出一品脱啤酒。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- One rotten apple spoil the whole barrel. 一只烂苹果，糟蹋一整箩。
- The drain is blocked and needs unplugging. 排水管堵塞了，得疏通一下。
- The price of oil have reach$30 a barrel. 石油的价格已涨到每桶30美元。
- The bathtub drain needs repairing. 浴盆的排水管需要修理。
- Tilt the barrel forward to empty it. 把桶向前倾，倒出里面的东西。
- How much does a barrel of oil cost? 一桶石油要多少钱?
- 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。
