He could hear the thrum of a banjo.是什么意思？

He could hear the thrum of a banjo.

窗外传来吉他的漫弹声.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

could

aux. “can”的过去式，能够，打算，用于假设语气的条件句，用于虚拟语气的结论句；

例句
The regulations were relaxed and the prisoners could get out and about a bit.
规定有所放宽，犯人可以出去短暂放风。

hear

vt.& vi. 听到，听见；vt. 听说，得知，听取，审理；vi. 听，听见；

例句
When I listen to her play I can hear a new Nigel Kennedy.
从她的演奏中我听出了新一代的奈杰尔·肯尼迪。

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。

thrum

--

例句
He could hear the thrum of a banjo.
窗外传来吉他的漫弹声.

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。

banjo

n. 班卓琴；

例句
The crowd cheered as Premier Wayne Goss unveiled a lifesize statue of poet Banjo Paterson...
韦恩·戈斯州长揭开诗人巴尼奥·佩特森的等身塑像时，人群欢呼起来。