水蛭

shuǐ zhì leech

vs 铁

tiě iron (metal); arms; weapons; hard; strong; violent; unshakeable; determined; close; tight (slang)

Tiě surname Tie

线虫

xiàn chóng nematode worm (Caenorhabditis elegans)

xiàn chóng nematode worm (Caenorhabditis elegans)

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