At Huijia School, elementary students can speak English very fluently even when they are in the lower grades.

在汇佳，小学生在低年级就能讲一口流利的英文。

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The elementary principles of mathematics are taught in the lower grades at school.

学校低年级教授数学的基本原理。

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Newmont said lower grades due to mine sequencing at Gold Quarry and lower grades at Exodus in Nevada could result in output for the year being near the bottom of the range.

FORBES: Update: Newmont Mining's Adjusted 3Q Earnings Rise

For Newmont, the lower ore grades have been a cause of concern as the company faced production losses at the Boddington mine last year.

FORBES: Newmont Shines Up To $78 Despite Indonesian Probe

In those lower grades, their projects were aimed at understanding the world around them, much like the motivations of true scientists.

WHITEHOUSE: Office of Science and Technology Policy Blog