Once in the second grade, our teacher had each of us race across the monkey bar.

二年级的时候，老师让我们每个人比赛越过攀爬架。

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The parents want their child to skip to the second grade.

这家父母希望他们孩子能跳级到二年级。

《新英汉大辞典》

Mrs. Margaret Drolet taught the second grade.

玛格丽特·德罗莱特夫人教二年级。

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Second grade teacher Alison Kerr says the main goal is to engage children in the learning process.

VOA: special.2011.03.10

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

And then we'll just throw that grade away; give greater weight to the second and third papers.

那么我们会把这篇论文的分数扔到一边;,给第二三篇论文更大比重。

耶鲁公开课 - 死亡课程节选

Under Dodd, the AAU has added national championships down to the second grade level.

FORBES: AAU President Bobby Dodd: The Next Alleged High-Profile Youth Sports Pedophile

Danielle and Francisco are both 7 years old, in the second grade, and live in Newark, N.

FORBES: Magazine Article

Dan Krause has a daughter in the second grade at Sandy Hook Elementary.

WSJ: Newtown Committee Votes to Raze Sandy Hook School