您要查找的是不是：
- Harness a river,a waterfall,the sun's rays as a source of energy 利用河水、瀑布、太阳光作为能源
- harness a river, a waterfall, the sun's rays as a source of energy 利用河水、 瀑布、 太阳光作为能源.
- The river came pouring down in a waterfall off the hill. 河水从山上倾泻而下形成瀑布。
- A source of such energy, as a waterfall. 产生这样能量的源泉，如瀑布
- Harness a river as a source of energy. 利用河水作为能源。
- A picture of a waterfall hung on the wall. 一幅绘有瀑布的画挂在墙上。
- Clear laughter like a waterfall. 像瀑布一样干净的笑声。
- He has never seen a waterfall like that before. 他还从来没见过那样的瀑布。
- harness a waterfall 利用瀑布产生动力
- I have never seen a waterfall like that before . 我还从来没见过火山。
- I've never seen a waterfall like that before. 我还从来没见过像那样韵瀑布呢。
- The carp always make its way up a waterfall. 鲤鱼跳龙门。
- There is a waterfall in the depths of the forest. 在森林深处有一处瀑布。
- To this mountain to see a waterfall there. 到这座山上去看瀑布。
- It only takes a drop of water to start a waterfall. 千丈瀑布,源于滴水。
- Now this river is moving fast! Oh, no. A waterfall! 河水流淌得很急，哦，不！瀑布！
- In New Brunswick you can see a waterfall. 在新布朗斯维克省你们可以见到一个瀑布。
- I heard the faraway sound of a waterfall. 我听到遥远的瀑布声。
- I hike to the base of a waterfall. 需要长途跋涉才能来到冰瀑的底端。
- I have never seen a waterfall like that before. 我还从来没见过那样的瀑布。
