Jiō-sò͘

(Tùi Liō-sò͘ choán--lâi)

Jiō-sò͘ (Eng-gí: urea), hoà-ha̍k-sek CO(NH2)2, sī tāi-siā koè-têng ê tiōng-iāu hoà-ha̍k-bu̍t.