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Piercing
Excessive pressure can lead to perforation of the stomach wall.
The ulcer has perforated.

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Open the tool →穿孔 (chuān kǒng) means “Perforation, Piercing”.
穿孔 is pronounced chuān kǒng in Mandarin Chinese.
“Perforation” is 穿孔 (chuān kǒng) in Chinese.
This page has 2 example sentences using 穿孔, each with pinyin and an English translation.