zhǐ huǒguō / kànqǐlái / hěn / báo / què / néng / zài / mínghuǒ / shàng / bǎochí / yī / duàn / shíjiān

纸火锅看起来很薄，却能在明火上保持一段时间。

The paper hot pot looks very thin, yet it can remain over an open flame for some time.