body clock / circadian rhythm
生物钟 is written with 22 strokes (生: 5, 物: 8, 钟: 9). The animation replays automatically.
打乱生物钟 = to throw the body clock into disarray.
生物钟 appears in 1 Fluentide podcast episode at natural native speed — each with the full Chinese script, pinyin, and line-by-line English translation.
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