pre·con·di·tion /ˌpriːkənˈdɪʃən/ n. | vt. I n. 先决条件，前提 Economic growth is a precondition of human advance. 经济发展是人类进步的一个前提。 II vt. 1. 使预先适应；使事先有准备 Merchandisers were seeking ways to precondition the customer to buy their product. 推销商正想方设法使顾客有意购买他们的产品。 2. 预先处理；预调节