A step or degree in rank, quality, order, etc.

(等级、品质、次第等的)一级；一等。

One of the successive parts of the course in an elementary school; also, the pupils in it.

【美】(初级学校中的)学级；年级；某年级学生。

In many schools and colleges, the mark or rating number given to pupils for class work or an examination.

(学生作业或考试的)分数。

The measure of slope of a road, railroad, surface, etc.; gradient.

(道路、铁路、平面等的)倾斜度；坡度；倾斜率。

A stretch of a railway or highway which slopes; an incline or decline.

一段倾斜的铁路或公路；斜坡；斜面。

To level and prepare, as a lawn, a road, or a railway roadbed.

使平坦；修平(如草地、道路、铁道、路基等)。

To arrange in regular series.

排成次第等级。

To take (a specified) rank.

占某位置；归于某等级。

To change gradually; blend.

渐变；混合。