外界的英文：
the outside world
external

参考例句：

extraneous interference.
外界的影响

The wedding reception has been organized by outside caterer .
婚宴由外界的饮食公司承办。

The slide cut off the valley from the rest of the world.
山崩切断了这个山谷与外界的联系。

But the reduced inspection standard brings in the outside intense response and the criticism.
但放宽检验标准引来外界强烈的反应与批评。

Links with the outside community withered.
与外界的联系消失了。

It was noised about that the foreign minister intended to resign.
外界传说外交部长打算辞职。

Emotion is our response to the outer stimuli.
情绪是我们对外界刺激的回应。

The heavy snowfall isolated several villages from outside world
大雪把好几个村庄与外界隔开。

Dreams come from within, not from the outside.
梦由内心产生，非来自外界。

The dependents are grateful for outside help.
受援助者特别感激外界的帮助。

world是什么意思：
n. 世界；宇宙；领域；世人；人世；天体，星球

This may be normal in the physical world, but there is no reason for it in the world of software.
在物理世界这是正常的，但没有理由在软件世界也这样。

They wanted to revolutionize the whole world.
他们要在全世界发动革命。

That are inexorably shaping the world of tomorrow.
这将无情地影响明日的世界。

The world is like a fleeting show.
人世如白驹过隙。

There is so much infelicity in the world.
人世间有很多不幸的事。

external是什么意思：
adj. 外面的，外部的；外国的；对外的；表面的；外用的
n. 外面，外部

external ordering
外次序

There must be externally moderated tests.
一定要有外聘人员负责审核评分的考试。

Language externalizes thought.
语言使思想具体化。

The medicine is for external, not for internal.
这药是外用的，不是内用的。

The external of the building is very attractive.
这座建筑物的外观是很吸引人的。