三年级用英语怎么说

三年级在英语中被称为 "Grade Three"。这个词来源于拉丁语 "gradus"，意思是"步骤"或"阶段"。

例句：

My daughter is in Grade Three at her school.
I remember when I was in Grade Three and we learned about fractions.
The Grade Three students will go on a field trip next week.