提示：点击例句中的单词，就可以看到词义解释

New study shows why the brain drains so much of the body 's energy

最新研究表明大脑为何会消耗身体的诸多能量

They 're laying sewer drains under the street .

他们正在安装街道下面的排水系统。

Me and my dad worked these drains for years .

爸爸和我多年来一直在这些下水道里工作。

Cities and industries consume only tiny amounts of total freshwater resources , but the intense local demand they create often drains the surroundings of ready supplies .

城市和工业仅仅消耗了总体淡水资源的一小小部分，但是其产生的强大的当地需求总会耗尽环境已准备好的供给。

This south american lake drains into the smaller lake in bolivia .

哪个南美洲的湖流入波利维亚更小的湖。