让他们康复 ? Their rehabilitation 翻背 ? Doubling back 今天的天气很热，而且还停电了。所以姨父带我们去西岭雪山玩，西岭雪山的天气很凉快，我们跑到小溪里去玩，水可真冷啊。
2
[涂料]?双层油漆
... 内层油漆 undercoat 双层油漆 doubling back 一层油漆 a coat of paint ...
双语例句
1
Giff leaves, not doublingback this time.
吉夫掉头走了，这次没再回来。
2
In the US, studies have shown that doubling the size of a road can simply double the traffic, taking us back to the starting point.
研究表明，在美国，将道路的规模扩大一倍，只会使交通量增加一倍，这样我们又回到了事情的起点。
3
Petrol prices in the US, after doubling last year, are now back to relatively cheap rates compared with Europe and Obama would take a big political risk by slapping on big tax rises.