Mr. White teaches first grade in south Georgia.

怀特先生在佐治亚州南部教一年级。

《柯林斯英汉双解大词典》

Mr. White teaches first grade.

怀特先生教一年级。

youdao

You are not in first grade.

你不是一年级的学生。

youdao

"And it's really interesting because for many children, especially in first grade, they are very unaware that these different things go on in other homes.

VOA: special.2009.12.24

The first grade corresponds to the row player, me in this case, and the second grade in each box corresponds to the column player, my pair in this case.

单元格内第一个成绩是我的成绩,每个单元格第二个成绩是,我对手的成绩

耶鲁公开课 - 博弈论课程节选

you know, from going to public, or Catholic school from first to eight grade.

你知道，从天主教学校换去公立学校，从一年级到八年级

现在的孩子好可怕 - SpeakingMax英语口语达人

One female lawyer, now 58, says she met her earliest power nemesis in the first grade.

FORBES: Power Women And Their Power Nemeses

First grade teachers gathered in the cafeteria to welcome their students into the fold.

NPR: New Orleans Schools Welcome Back Students

In 1990 less than one-tenth of all students who entered first grade went on to graduate from sixth.

FORBES: Political Risk? In Guatemala Teachers Unions Clash with Police, Fighting to Block Education Reform