presentation是从什么衍生

presentation是从present衍生。

Judith has a right to ask us to be present .朱迪思有权让我们留下来。

I fancy she's out of a job just at present .我估计目前她正没事可干。

It should not present any legal problems .不应该发生什么法律问题。

The water presented me with a special problem .水给我出了个难题。

The ambassador was presented to the president .大使被引见给总统。

Will you make me a present of your photograph ?你可以送我一张照片吗

The present rebukes us too much .现实对我们的惩罚已经够严厉的了。

Drop data may be presented as moving pictures .投放数据可以拍成电影。

Malignant sarcomatous degeneration is present .肿瘤有肉瘤样恶变。

The verb must be in the present perfect tense动词必须用现在完成时态。