当然事实上，也有很多城镇的农民直接使用当地的河流作为他们的灌溉水源。
Many urban farmers, it is true, simply tap local rivers for their water.
我们灌溉系统的水源是农场附近的那条河。
The source of water for our watering network is the river near our farm.
现在，污水已经成为中国城镇近郊灌溉用水的重要水源。
Now, sewage has become heading water source for irrigation at outskirts of Chinese town.
当植物们感觉口渴的时候连接竹管和水源来灌溉花园吧！
Connect the pipes and water the plants to never make them feel thirsty!
当植物们感觉口渴的时候连接竹管和水源来灌溉花园吧！
Connect the pipes and water the plants to never make them feel thirsty!
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