zài / zhè / gè / jí / xiàn / wèn / tí / zhōng / fēn / zǐ / hé / fēn / mǔ / tóng / shí / qū / yú / líng / xíng / chéng / le / bù / dìng / xíng

在这个极限问题中，分子和分母同时趋于零，形成了不定形。

In this limit problem, both the numerator and denominator approach zero, forming an indeterminate form.