guō lú / lǐ / de / gāng shuǐ / yǐ jīng / dá dào / bái rè / zhuàng tài / gōng rén / bì xū / gé wài / xiǎo xīn

锅炉里的钢水已经达到白热状态，工人必须格外小心。

The molten steel in the furnace has reached white heat, so the workers must be especially careful.