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半衰期
bànshuāiqī
1. half-life

Character Breakdown

半
bàn
half; semi-, incomplete
HSK 3 5 丶
衰
shuāi
weak, feeble; to decline, to falter
HSK 6 10 丶
期
qī
a period of time; date, time; phase
HSK 1 12 丶

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