guō / lǐ / de / tāng / yào / yòng / měng / huǒ / shāo / kāi / zài / zhuǎn / xiǎo / huǒ / màn / màn / dùn

锅里的汤要用猛火烧开，再转小火慢慢炖。

Bring the soup to a boil over high heat, then simmer it over low heat.