HSK 7-9
流血
liúxuè动
to bleed; to shed blood
伤口还在流血，需要马上处理。
Shāngkǒu hái zài liúxuè, xūyào mǎshàng chǔlǐ.
The wound is still bleeding and needs immediate treatment.
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Appears across levels (7-9) in the HSK 3.0 word list.