英音 /ˈtæn.dəm/

美音 /ˈtæn.dəm/

[ noun C ] a bicycle made for two people who sit one behind the other
[可数名词] 双人自行车

in tandem

1. (idiom)at the same time
（习语）同时

例句：

The heart and lungs will be transplanted in tandem. 将同时移植心脏和双肺。

2. (idiom) If two pieces of equipment, people, etc. are working in tandem, they are working together, especially well or closely.
（习语）协同地，联合地

例句：

I want these two groups to work/operate in tandem on this project. 我希望这两个小组联合做这个项目。