扩充 kuòchōng to expand
How to remember 扩充: 扩 to expand + 充 to fill = to expand.
Characters
How it is used
- To expand by adding to what's there - 扩充词汇量 (kuòchōng cíhuìliàng) build up vocabulary, 扩充人员 add staff.
- Focus is on increasing quantity or capacity/content; compare 扩大 (kuòdà, broaden scope) and 扩展 (extend reach).