膨張した
bouchoushita
plain past: did expansion
N1
How to remember this word
A memory tip for this word is coming soon. For now, try linking it to a real moment from your day — words anchored to real situations stick best.
Example sentence
チームで膨張した。
ちーむ で ぼうちょうした。
chiimu de bouchoushita.
We expansion as a team.
Usage note
する-verb form of 膨張 (expansion / swelling).