open source
开源 is written with 17 strokes (开: 4, 源: 13). The animation replays automatically.
Beyond HSK 1-4. Making core tech public and free, rather than locked up by a few giants.
开源 appears in 3 Fluentide podcast episodes at natural native speed — each with the full Chinese script, pinyin, and line-by-line English translation.
Acquire it by listening
You just saw 开源 in 3 episodes. Fluentide keeps feeding you news episodes at your level, so this word — and thousands like it — resurface in real sentences until they stick. Full pinyin and translation every time. Free to start.