同级的英文怎么说

4次大中小

同级的英文：
in-step
sister

参考例句：

The possibility for a lateral transfer seems pretty slim right now.
我在同级调动的可能性目前很小。

step是什么意思：
n. 脚步；步态，步伐；步骤；措施；阶段，等级；台阶，平台；舞步
v. 踩，踏；跨步，行走；跳舞；使成阶梯状

step by step welding
跨步焊法

It is a step class.
这是踏板操训练班。

They are not in step with the times.
他们跟不上时代的步伐。

the execution of steps
舞步表演

To work step by step is as good as riding in a carriage.
安步当车

sister是什么意思：
n. 姐妹；修女；护士
v. 姐妹般对待
adj. 姐妹般的；同类型的

The elder sister is called Mary.
姐姐名叫玛丽。

It is unnatural for sisters to be at variance.
姐妹之间不和是不近人情的。

The girl in red is his younger sister.
那个穿红衣服的女孩是他妹妹。

Zeal without knowledge is the sister of folly.
没有知识的热心等于愚蠢。