nǎi / nai / zǒng / shì / néng / jīng / zhǔn / liàng / fù / ， / zuò / de / fàn / gāng / hǎo / gòu / chī / 。

奶奶总是能精准量腹，做的饭刚好够吃。

Grandma can always estimate the right amount of food, so the meals she makes are just enough.