supplement

The doctor suggested that she take a vitamin supplement to improve her iron levels.

(Chinese) 医生建议她服用维生素补充剂来提高铁水平。

The Sunday newspaper includes a special supplement focused on travel and leisure.

(Chinese) 周日报纸包含一份专注于旅游和休闲的特别增刊。

He worked a part-time job in the evenings to supplement his main income.

(Chinese) 他在晚上做兼职以补贴他的主要收入。

You can supplement your learning by watching educational videos online.

(Chinese) 你可以通过观看在线教育视频来补充你的学习。