height/heighten

height /hait/ n. 1.［u］高，高度：What is your height?你有多高? He is six feet in height.他有六英尺高。 2.高处，高地(pl.)：Stand on the heights overlooking the valley. 站在高处俯瞰山谷。 3. 顶点，高潮：take one’s holidays in the height of the summer 在夏季最热的时候度假

 heighten /ˈhaitn/ vt.&vi. 提高，加强；升高，变强：heighten an effect 加强效果 As she waited, her fears heightened. 随着等待，她的恐惧逐渐增强了。