The wound was deep and gushing blood; it had to be stopped at once.
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From Duan Chengshi's 《酉阳杂俎续集》 (Tang): a strange creature, once sheathed, 'ran off with blood pouring like a spout'. The 注 literally means 'to pour' - as from a spouted vessel.
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Vivid and graphic. Common in fiction, news reports of accidents, and martial/wuxia writing. Medical contexts prefer plainer 大量出血.
