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Chio̍h-la̍h (Hàn-jī: 石蠟; Eng-gí: parafin) sī chi̍t chióng iú-ki hòa-ha̍p-bu̍t, sī thòaⁿ-sò͘ sò͘-liōng chhiau-kòe 20 ê alkane ê hūn-ha̍p-bu̍t, it-poaⁿ-se̍k sī CnH2n+2.
chio̍h-la̍h
Parafin sī la̍h-chek ê chú-iàu sêng-hūn.
