superfluous
US /suːˈpɝː.flu.əs/
UK /suːˈpɝː.flu.əs/

1.
多余的, 不必要的
unnecessary, especially through being more than enough
:
•
The extra details in the report were superfluous.
报告中多余的细节是不必要的。
•
After the main course, dessert felt superfluous.
主菜之后,甜点显得多余。