Z bend

例句：

1. 1.The car's wheels are perfectly Z bent.
   这辆车的车轮完美地弯曲了。
2. 2. The tree is Z bent at the top.
   树在顶部是弯曲的。
3. 3.When she walked, her legs were Z bent.
   当她走路时，她的腿是弯曲的。