高层的英文：
high level
high class

参考例句：

High level management position with high technology corporation.
高新术公司的高层管理职位

She lives in a high-rise flat.
她住在高层公寓大楼内。

You can experience the jigsaw of high-level diplomacy.
你可以体会到高层外交的错综复杂。

Directly or indirectly to other senior mgr.
直接或间接对其他高层管理人员负责

Window cleaners are pulled up and down tall buildings on cradles.
窗户清洁工乘坐能升降的吊篮清洗高层建筑物的窗子。

A member of the inner or higher bar who acts as a governor of one of the Inns of Court.
法官做为英国律师协会主管委员的内部或高层律师成员。

Spread footings are also used-in greatly enlarged form-for high-rise buildings.
延伸的基脚也用在高层建筑物，形式加以放大。

The central character is a deceptively emollient senior figure in a Conservative Government.
核心人物是保守党政府内一个貌似仁和的高层人物。

There are plenty of high-rise windowsills to fall from!
多的是高层的窗槛可供它们跳落！

Before clarifying anything I have to meet with the directors.
在讲明一切之前我必须和俱乐部高层进行会谈。

high是什么意思：
adj. 高的；海拔很高的；上层的；高尚的；十分赞同的；全盛的；有醉意的
n. 高水平，高气压，快感
adv. 在高处，音调高，（成本、价值）高

If you don't aim high you will never hit high
不立大志,难攀高峰

High level management position with high technology corporation.
高新术公司的高层管理职位

Mold manufacture has high risk and high affixation.
模具制造业是一个高风险与高附加值的行业。

level是什么意思：
n. 水平线，水平面；高度；层；水平；级别
adj. 水平的，同高度的；笔直的；平静的
v. 推平；毁坏；使平等；瞄准；变平；坦率诚实地对待

Level off the shelves with a spirit level.
用酒精水平仪把架子弄平。

But there is plenty of scope at that level.
然而在此水平上还是有足够的余地。

The worker levelled their looks at the foreman.
工人们用目光逼视着工头。

class是什么意思：
n. 班级；阶级；种类
v. 分类；把…分等级
adj. 很好的

It is a step class.
这是踏板操训练班。

The class dismissed.
下课了。

The class teacher sectioned the class for dialogues.
老师把班级分组进行对话练习。