肚臍空tōo-tsâi-khang生理構造名詞肚臍眼。這聲銃子去彈著肚臍空,穩死的!Tsit-siann tshìng-tsí khì tuānn-tio̍h tōo-tsâi-khang, ún sí--ê!這下子子彈正中肚臍眼,必死無疑!類義肚臍tōo-tsâi