增大 (zēng dà) means “to enlarge; to amplify; to magnify”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
运动可以增大肺活量。
Yùndòng kěyǐ zēngdà fèihuóliàng.
Exercise can increase lung capacity.
Updated: 2026-07-18