With a few pluck at the string of his banjo, everybody is singing along.

他拨了拨班卓琴的琴弦，每个人就都跟著唱了起了。

youdao

The earliest banjo was a gourd with two or more long strings, a shorter drone string and no frets.

最初的班卓琴就是有一个葫芦瓢和两根或多根弦拼成，有一根短弦，没有品。

youdao

And, indeed, all it takes is a twist of a knob to go from a six-string Martin to a 12-string Guild or even a Gibson banjo.

NPR: The Variax: Many Sounds from One Guitar