I was kicked out of school when I was in third grade for refusing to salute the flag.

我在三年级的时候,因为拒绝向国旗敬礼而被退学。

普林斯顿公开课 - 人性课程节选

Well, it's a long time ago but it was elementary school, you know, maybe 3rd grade, 4th grade,

那是很久以前的事情了，应该是小学时候吧，那大概是三年级或者四年级，

美国的博物馆教育 - SpeakingMax英语口语达人

Who is the third year in biology, chemistry, have film experience and French film classsics.

你是三年级的，修生物和化学，有上过电影课和法国经典电影。

麻省理工公开课 - 电影哲学课程节选

and last year, in my third year in law school, I was the president of the running club.

去年，也就是我法学院三年级的时候，我是长跑俱乐部的会长。

在马拉松认识的朋友 - SpeakingMax英语口语达人

So, I lived, uh, during my, my third year of undergraduate, I lived in Italy.

在我本科三年级的时候，我住在意大利。

换专业的理由 - SpeakingMax英语口语达人

I'm very good with kids, so teaching somewhere between kindergarten through like third grade.

我很能和孩子打成一片，所以我想教幼儿园到小学三年级的孩子。

想开精品店 - SpeakingMax英语口语达人