您要查找的是不是：
- The dam backs up the water to prevent flood . 大坝拦住水以防其泛滥。
- There we saw a huge dam backing up the lake. 在那儿我们看见一座巨型拦湖水坝。
- This dam backs up the water to prevent floods. 这个坝可以拦住水，以防泛滥。
- The dam backs up the water to prevent flood. 大坝拦住水以防其泛滥。
- Millions of gallons of water are kept back by the dam. 这个堤坝拦住了滔滔的洪水。
- The dam backs up a large lake. 大坝将水堵住而成一个大湖。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- She dammed back her tears. 她强忍住眼泪。
- The dam was not strong enough to hold back the flood waters. 水坝不太坚固，挡不住洪水。
- A big lake will form at the back of that dam. 一个大湖将在那水坝的后面形成。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The dam burst under the weight of water. 那水坝在水的压力下决口了。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- The village was swept away when the dam burst. 村庄在水坝决堤时被冲走了。
- A water power station must have a dam. 水电站必须有拦河坝。
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
