英语语法分析

Heknew she must be feeling the heat, because he saw sweat glistening on her upperlip, a lip that had probably never made the acquaintance of lipstick.

他知道她一定也很热，能看到她上唇上挂着亮晶晶的汗珠。 她的嘴唇想必很少和口红打交道吧。