升级的英文：
escalate (in intensity)
be stepped up
increase
rise
go up

Netscape Messenger Upgrade Utility
Netscape信使升级实用程序

the rapidly escalating and darkening volley of nasty political bitchery(Joe Brown)
令人作呕的政治恶语的快速升级和暗箭伤人(乔·布朗)

Update notice will also post on our website at www.vtel.com
升级通告也会在我们的网页上刊登:www.vtel

Ought to be promoted
应该升级

To be worthy of promotion
堪当升级

The upgrade was successful.
升级成功。

Recently the speculation has reached new heights.
最近猜测又升级了。

tariff escalation
关税升级,滑动税率

Try to prevent an escalation of the war.
竭力防止战争升级。

It is complex to maintain them after the upgrade.
升级后的维护很复杂。

Try to prevent an escalation of the war.
竭力防止战争升级。

The cost of living is escalating.
生活费用越来越高。

The building was equiped with escalator.
那大楼按装了自动梯。

intense heat; intense anxiety,; intense desire; intense emotion; the skunk's intense acrid odor; intense pain; enemy fire was intense.
酷暑；强烈的渴望；强烈的愿望；强烈的情绪；臭鼬的强烈而刺鼻的气味；剧烈的疼痛；敌人的火力很强。

There followed a intense debate.
接下来是一场激烈的争论。

They take the intensive training course.
他们接受密集的训练课程。

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。