harness an animal to a cart

例句：

1. 1. The horse was harnessed to the cart before we left.
   我们离开前，这匹马被套在了马车上。
2. 2.The farmer harnessed his tractor to pull the heavy load.
   农民用拖拉机拉起了沉重的货物。
3. 3. She harnessed her courage to face the challenge.
   她鼓起勇气去面对这个挑战。