外斜视的症状是眼球向外转（又名“白眼”）。

Exotropia is the term used to describe outward turning of the eyes (aka "wall-eyed").

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但通常的习惯是,把立体区域上的外法向量规定为其定向,因为这么做之后，当你观察通量时会发现,它是从区域内部向外流动的。

But the usually traditional settings would be to take your normal vector pointing maybe out of the solid region because then you will be looking at flux that is coming out of that region of space.

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公寓楼业主向外看去，(除几个灰色烟囱外)会看到若干象办公楼而非发电厂的建筑。

Owners will look out over something that looks more like a cluster of office buildings (apart from a couple of grey chimneys) than a power plant.

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Somebody say it real loud. Yes, the system is working on the surroundings, right? It's pushing out against them.

有人很大声的回答了，对，系统在对外做功，他把外界向外推开。

麻省理工公开课 - 热力学与动力学课程节选

And apart from this executive education department, but I also report to the deputy dean here at the Sloan school management.

除了向教育部门汇报情况外，我还得,向副院长汇报。

麻省理工公开课 - 媒体、教育、市场课程节选

Nothing preoccupies a president more than putting troops and arms away and the president is no different from that.

没有什么事比向外派遣部队和武器,更让总统忧心伤神的了,布什总统也不例外。

普林斯顿公开课 - 国际座谈会课程节选