spray: to cover somebody/something with very small drops of a liquid that are forced out of a container or sent through the air 喷;喷洒;向...喷洒 ~ sth (on/onto/over sb/sth) ~ sb/sth (with sth)
Spray the conditioner onto your wet hair. 往你的湿头发上喷些护发素.
The crops are regularly sprayed with pesticide. 庄稼定期喷洒杀虫剂.
She's had the car sprayed blue. 她让人把汽车喷成了蓝色.
Champagne sprayed everywhere. 香槟酒喷得到处都是.

Reverse: to change something completely so that it is the opposite of what it was before 颠倒;彻底转变;使完全相反
to reverse a procedure/process/trend 彻底改变程序／过程／趋势
The government has failed to reverse the economic decline. 政府未能扭转经济滑坡的趋势.
It is sometimes possible to arrest or reverse the disease. 有时可以阻止病情发展或使病情彻底好转.