他们还要练习字母的大写与小写，学会在三线格内大小写字母的正确规则。

They'll get practice writing upper - and lowercase letters, learning how to shape and space them correctly.

youdao

他们还要练习字母的大写与小写，学会在三线格内大小写字母的正确规则。

They'll get practice writing upper - and lowercase letters, learning how to shape and space them correctly.

youdao