...the friction of his leg against hers.是什么意思？

...the friction of his leg against hers.

他和她的腿之间的擦蹭

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

friction

n. 摩擦，冲突，不和，摩擦力；

例句
Sara sensed that there had been friction between her children...
萨拉感觉到她的孩子之间有过争执。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

leg

n. 腿，支柱，支架，裤腿，一段赛程；vi. <口>走，跑；

例句
My leg still aches when I sit down...
坐下时我的腿还会痛。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

hers

pron. 她的，属于她的；

例句
His hand as it shook hers was warm and firm...
和她握手时他的手温暖而有力。