make additions to
"supplement your diet"
"Vitamins supplemented his meager diet"
"He appended a glossary to his novel where he used an invented language"
Some vitamin supplement she took.
出自： B. Vine
He..supplemented his meal with..grapes.
出自： G. Gissing
Spare time in which to supplement his income by literary work.
出自： K. M. E. Murray
She supplements her regular income by doing a bit of teaching in the evenings.
He supplements his regular meals by eating between meals.
The text is supplemented by an adequate glossary.
Farmers supplement natural fertilizer with chemical fertilizer.