looply connected power supply

例句：

1. 1. The loopy dog was a bit of a challenge to train.
   这只摇摇晃晃的狗训练起来有点困难。
2. 2. She looped her hair up in a messy bun.
   她把头发扎成一个乱糟糟的发髻。
3. 3. The loopy road led us to the wrong place.
   那条弯弯曲曲的路把我们带到了错误的地方。