n.串聯(lián)；串聯(lián)式自行車

A series circuit is one in which two or more pieces of apparatus are connected end to end or in tandem. 串聯(lián)電路是一種兩個(gè)以上元件尾銜接或串在一起的電路。

I've never ridden a tandem bicycle before. 我從來(lái)沒騎過(guò)雙人自行車。

You have a choice of a tandem if you want to ride together. 你們要共騎的話，可選擇雙人自行車。

串翼自行車