"A tank is enough to get you around the region for the day, but you have to plan ahead," Martin Risberg, a county engineer, said as he filled a biogas Volvo.
“一个油箱就足够让你在这一地区转上一天，但你必须提前计划。”该县工程师马丁·里斯伯格一边给一辆沼气沃尔沃加满油，一边说。
This will keep water out of the tank and will be a reserve in case you get into trouble.
这样既可以防止水进入油箱，又可以作为能源储备，以备不时之需。
In the study, researchers from Mac Ewan University in Canada trained a kind of fish called African cichlids to go to a certain area of their tank to get food.
在这项研究中，加拿大麦科文大学的研究人员训练了一种叫做非洲慈鲷的鱼，让它们游到鱼缸的特定区域获取食物。
But instead of coating the carbon cylinders with fuel, a liquid fuel could be stored in the car's gas tank and get injected onto the carbon nanotube battery when needed.
但是不采用燃料涂层的碳圆筒，而是用一种可以储存在汽车油箱里，并且在需要的时候直接注入碳毫微管电池的液体燃料。
Since it has a curve like a drain pipe, water will get caught there and keep bugs from getting into the tank.
由于它和排水管一样有一个弯道，里面就存有一些水把虫子挡在水箱外面。
It is designed to get 820 miles on a tank of gas and 35 miles on just batteries, and can reach highway speeds, says Scaled.
它可以仅靠电池飞35英里，或者靠一箱油飞820英里。复合材料公司介绍说。
Maybe just vacuum the bottom of the tank once a month with one of those siphon cleaner apparatus you can get at the pet store.
或者可以使用虹吸式换水法，一个月清理一次水箱底部，你可以在宠物商店买到虹吸换水的设备。
They help the plants get established initially and supply nutrients that are other wise lacking in the beginning before many fish are added and the tank has had a chance to accumulate waste.
用泥作底床对于水草来说好处是在建缸初期能提供充足的养分，因为初期缸里往往还没有多少鱼，即便有鱼地床上也不能积累足够的便便。
And you'd still need to get air in the tank in a green way. Maybe a solar-powered, geothermal, wind-driven compressor?
而且吧，要把空气压到罐子里也得很环保，要不试试太阳能的，地热的，风能的空气压缩机？
Not only the number of games those players would have had to play, but the World Cup is such a big tournament to get up for, do they have anything left in the tank?
不仅是因为他们不得不打这么多场比赛，而且世界杯是一个非常重要的赛事，需要做好准备，他们真得还剩下了油吗？
The rangers get paid in thousands a month, this amount just enough to fill the tank and that's it.
护卫队员每个月只赚几千块钱，这些钱仅仅够加加油。
The rangers get paid in thousands a month, this amount just enough to fill the tank and that's it.
护卫队员每个月只赚几千块钱，这些钱仅仅够加加油。
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