kng-pôaⁿ光盤

optical disc

optical disc; negotiated price (in public); to eat all that is on one's plate

chieflycomputing

English Wiktionary, “光盤” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%85%89%E7%9B%A4 · confidence: Medium (Wiktionary)