n.[C][U]

1. 马具，挽具
2. 挽具状带子；降落伞背带；保险带；安全带

vt.

1. 给……上挽具；套（马）[（+to）]
   The farmer harnessed the horse to the cart.

   农夫把马套到马车上。

2. 治理，利用；控制，驾驭
   They will harness the sun's energy to heat homes.

   他们将利用太阳能为住宅供暖。

   It will take a couple of years to harness that river.

   治理那条河流要花两三年时间。

n.

1. a set of straps and fittings by which a horse or other draught animal is fastened to a cart, plough, etc. and is controlled by its driver.
2. a similar arrangement of straps, as for fastening a parachute to a person's body or for restraining a young child.

v.

1. fit with a harness.
2. control and use (resources).