kim-kong-chǹg金剛鑽

diamond

diamond (mineral); powerful electric drill; cupreous bollworm

English Wiktionary, “金剛鑽” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%87%91%E5%89%9B%E9%91%BD · confidence: Medium (Wiktionary)