讲演者

The after-dinner speaker was droning on and on and on, boring everyone to tears.

一位晚餐后的讲演者冗长沉闷地说个没完没了，以至使每个人都烦得哈欠连天。

Can nothing be done to shut him up?The after-dinner speaker was droning on and on and on, boring everyone to tears.

一位晚餐后的讲演者冗长沉闷地说个没完没了，以至使每个人都烦得哈欠连天。

The afterdinner speaker was droning on and on and on, boring everyone to tears.

一位晚餐后的讲演者冗长郁闷地说个没完没了，以至使每个人都烦得哈欠连天。

R. Davidson is an endocrinologist at the University of Texas at Dallas.

avidson 博士是美国德克萨斯大学的内分泌学专家，担任百时美施贵宝公司的顾问、咨询师和讲演者，并接受了该公司提供的研究经费。

You have to be a fairly good speaker to hold listeners' interest for over an hour.

你必须是一个相当不错的讲演者并且在一个多小时的时间里吸引听众的兴趣 6。

You are not just sitting there and listening to a nonsensical speaker.

你不是仅仅坐在那里，听一个说废话的讲演者。

If you have any questions for our guest speaker, open fire now.

如果你们有什么问题要问我们的客座讲演者，请现在开始提。

We invited a new speaker and, what's more, he was happy to come.

我们新请了一位讲演者，更重要的是，他喜欢来。

You are doing it. And the speaker has done this but you have to do this.

你在做。这个讲演者已经做了，但是你得做。

He was such a good listener as every teller would like to have.

他是个善于倾听的人，每个讲演者都希望有象他那样的人。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。