I can walk up to someone I don't know我可以走到一位陌生人面前

walk up to走近；走向

A stranger walked up to me and shook my hand.

有个陌生人向我走来跟我握手。

She walked up to the desk and asked to see the manager.

她走到办公桌前要求见经理。

Speech and language distinguishes us from all other species.说话和语言将我们与其它物种区分开来

distinguish from 不同于；辨别；区分

Language makes human distinguish from animals.

语言使人区别于动物。

Color blindness is that who cann't distinguish from color.

不能辨别颜色的人叫色盲.

We are not only using words to be able to express ourselves我们说话不仅仅是为了表达自己

be able to会； 能

They appear to be able to handle the problem.

他们似乎可以处理这个问题。

Now no company seems to be able to corner the computer market.

现在似乎没有哪家公司能够垄断电脑市场。