级别的英文：
(military) rank
level
grade

参考例句：

By the end this month, a new Olympic-standard swimming pool will have been built.
在这个月底，一个新的奥运会级别的游泳池将会建成。

A taxonomic category ranking below a phylum or division and above an order.
纲一种分类范畴，级别低于门或类，而高于目

Seraph is of the highest rank of angels in the Bible.
六翼天使是圣经中级别最高的天使。

Recipients of military honors were called in order of precedence - highest ranking officers first.
军功章的获得者们被按级别高低召见─等级最高的官员排在第一位

webster points out that the higher the degree of resolution required, so that time of transmission is increased
韦伯斯特指出，要求解决的级别增高了，所以传送时间也增加了。

A boxer in a subcategory of the heavyweight division,having an upper weight limit set at190pounds(86kilograms.
次重量级拳击手重量级中拳击手的一个分级，该级别的体重上限为190镑(86公斤)

A grade of a minus
A减级别

He is above me in rank.
他的级别比我高。

A general ranks a captain.
将军的级别比上尉高。

The revision level is unknown.
修订级别未知。

military是什么意思：
n. 军队；武装力量；军人
adj. 军事的；军人的

Expand military blocks and strengthen military alliances
扩大军事集团、强化军事同盟

To take a meal in a military mess.
聚餐在军队的集体用膳食堂吃饭。

A local organization of military veterans.
退伍军人协会的地方分会

rank是什么意思：
n. 排；等级；军衔；队列；行列
v. 排列；把…分等；列为；列队
adj. 讨厌的；恶臭的；繁茂的

formation; rank
队形

He rose from the rank of captain to the rank of general.
他从上尉升到将军。

Your rank is next to mine.
你的排名居于我之后。

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。