Grade and class
年级───grade;班───class
Sam is in (the) second grade.───萨姆读二年级。
I flunked math in second grade.───我二年级时数学不及格。
What grade are you hoping to get?───你希望得到什么样的成绩？
He said he was hunting for high-grade copper, bauxite, iron ore and coal resources, the minerals that China needs to fuel its urbanisation.───熊维平表示，他正在物色高品位的铜、铝矾土、铁矿石和煤炭资源，这些都是中国推进其城市化进程所必需的矿产。
It's not a rediscovered camp classic, but just a bad low-grade comedy with a few oddball elements.───这不是一个重新发现的阵营的经典之作，但只是一个坏低档一些古怪的元素的喜剧。
Here, though, I thought of the sanitation grade, and of the rooster, pecking maggots out of human faeces before being killed.───至于这地方，我想起这儿的卫生条件，想起公鸡被宰前还在啄食人粪里钻出的蛆。
The train snailed up the steep grade.
Children will learn to multiply in the second grade.
What grade are you in?
Billy is in the ninth grade.
She's still only on a secretarial grade.