The mirror heads are made from a high grade chromium steel with?chrome plated brass telescoping handles.

这款产品的镜头使用高精度的铬钢，手柄用镀铬的黄铜制造。

youdao

At her old high school in Hamilton, Ohio, she earned a 4.0 grade point average.

她之前在俄亥俄州哈密尔顿的高中学习，在那里得到了4.0的平均分。

《柯林斯英汉双解大词典》

Junior high was always a difficult time for me, and the move made my ninth grade year even harder.

对我来说，初中一直是一段艰难的日子，而那次搬家让我的九年级生活更加艰难了。

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(Sound) Amid loud acclamations of approval, top hardline Iranian cleric, Hojatoleslam Ahmad Khatami warned the West that Tehran will produce its own high-grade uranium for a medical research reactor, if the UN International Atomic Energy Agency refuses to provide the fuel.

VOA: standard.2009.11.28

They would say there is a low correlation between SAT scores and grade point averages in college, or maybe it's a high correlation.

媒体会说,SAT成绩,和大学里的平均学分相关性很低,或相关性很高

耶鲁公开课 - 金融市场课程节选

Like getting an A from the Professor for giving him a high grade on Rate My Professor.

FORBES: Apple Falls Down The Rankings: But We Should Praise RIM

And as a political science major at Bowling Green with a high grade-point, John Harbaugh seemed headed for law school.

NPR: SUPER BOWL WATCH: Beyonce, Avocados, Practice

In Florida, it is either a felony or a high grade misdemeanor under 934.03 for the individual who made the secret recordings of Romney to have done so.

FORBES: The Romney Video: Whoever Shot It Broke The Law in Florida