in tandem with
01
と協力して, と同時に
used to show that two or more people or things are working together or happening at the same time to achieve a common goal
例
The two departments worked in tandem with each other to complete the project on time.
2つの部門が協力してプロジェクトを時間通りに完了させました。
in tandem with
01
と連携して, と共同で
a bath in warm mud (as for treating rheumatism)
02
タンデムで、一つ後ろに
one behind the other



























