adjunct|adjuncts

这份兼职只是他主要工作的一个补充。

The part-time job is just an ___adjunct to his main career.

这些额外的练习题是课本的有益补充。

These extra exercises are helpful ___adjuncts to the textbook.

她在实验室担任首席研究员的助理。

She works as an ___adjunct to the lead researcher in the lab.