And the last verb you heard is spell something out.

而你听到的最后一个动词是“对某事作详尽的说明”。

When we spell something out, we explain it in detail.

当我们对某事作详尽说明时，我们会详细地解释它。

Now, with writing, when you write down your answers, you sometimes have to spell something out, so you have to be very, very careful with spelling.

现在，对于写作，当你写下你的答案时，有时你必须拼出一些东西， 所以你必须非常、非常小心地拼写。