1、else

a、（用于anywhere，someone，what等词之后）其他的，别的

If I can't make a living at painting, at least I can teach someone else to paint.

如果我不能靠画画谋生，至少我可以教别人画画。

We had nothing else to do on those long trips.

在那些漫长的旅程中我们没有别的事情可做。

b、（用在everyone，everything，everywhere等词之后）其他的，别的

As I try to be truthful, I expect everyone else to be truthful.

既然我努力做到诚实，我希望其他所有人也能诚实。

Cigarettes are in short supply, like everything else here.

和其他所有东西一样，这里的香烟也供应不足。

c、否则的话；要不然

Evidently no lessons have been learnt or else the government would not have handled the problem so sloppily.

政府显然没有吸取教训，不然不会把问题处理得那么草率。

d、（表示另外一种可能性）或者，还是，要不

You are either a total genius or else you must be absolutely raving mad.

你要么是个不折不扣的天才，要么就是完全疯了。

It's likely someone gave her a lift, or else that she took a taxi.

可能有人开车捎了她一程，要不就是她打了辆出租车。

2、presentation

a、外观；外貌；表象

Check the presentation. Get it properly laid out with a title page.

检查一下外观，保证有扉页和合适的版式。

b、颁奖仪式；颁奖典礼

He received his award at a presentation in London yesterday.

昨天，他在伦敦的颁奖典礼上领了奖。

c、介绍；陈述；报告；说明

James Watson, Philip Mayo and I gave a slide and video presentation...詹姆斯·沃森、菲利普·梅奥和我利用幻灯片和视频进行了介绍。

I always ask how much time I have to make my presentation.

我总是问我的报告需要做多长时间