一会儿

Explain the underlined word in the following sentence: Ariah alternately shrieks and cajoles, stares down anyone who crosses her...

请解释下旬中划线的单词：Ariah一会儿对人高声尖叫一会儿又拿甜言蜜语来哄人，谁顶撞她她就对谁瞪眼。

He walked here, and he walked there, fancying himself so very great!

他一会儿走到这里，一会儿走到那里，把自己看得那么了不起！

He chirped, stretched and gabbled.

它—会儿叽叽喳喳地叫，一会儿伸伸懒腰，一会儿又没完没了地唠叨。

The fever intermits.

一会儿发烧，一会儿不发烧。

In Western China my wife and I met families from villages that were being flooded by new dam projects. They showed us around the new quarters they'd been assigned, pointing out the cracks and defects and itemizing the ways it was worse than where they used to live.

在中国西部，我遇到过一些因修水坝而被迫迁居的农民，他们拉着我们在他们的新居里到处转，一会儿说这里有道儿缝儿，一会儿说那里缺道儿口儿，总之，比他们原来的房子差远了。

When on the prowl the crow glides smoothly and rapidly through the air, often changing his direction, now flying close to the surface, anon mounting high, but oftenest keeping nearly on a level with the tree tops.

在觅食的时候，这种乌鸦在空中平稳而迅速地滑翔着，经常会改变方向，一会儿贴近地面，一会儿又飞升得很高，但它一般会保持着大概与树梢平齐的高度。

My voice alternately lashed out in rage and purred in soft persuasion.

我的讲话一会儿是愤怒的鞭鞑，一会儿是娓娓的劝说。

In the past, Kristen Dennison, Dover, Mass., was tempted to interfere when her husband Ed roughhoused with their sons, David, 2, and Benjamin, 6, swinging them above the floor or onto his shoulders.

过去，家住麻塞诸塞州多佛的克里斯汀丹尼森表示，过去每当她的老公爱德与他们两岁的戴维和六岁的本杰明嬉戏打闹的时候──一会儿抱着他们荡来荡去，一会儿又把他们甩到自己的肩膀上，她总是忍不住要干涉。

As I somersaulted down the hill in hysterics, blood rushed to my head then back to my feet with every twist and turn of the zorb.

我疯狂地翻着跟斗冲下山，随着球体的转动，身体的血液一会儿冲上头顶，一会儿流到脚底。

Oh, and she got into it so hot, was so uninhibited; I laid her on her side, spooned into her back, entered her so, and that just lit her up; and after a little while of that she rolled onto her belly and put her arse a little up in the air; and so I went down on her thus.

oh，并且她进入它，很热，是很不受禁令约束的；我在她的边放置了她，我从后边进入了她，并且那容光焕发她；并且以后那她在天空中一会儿滚动了她的腹部并且一会儿投入了她的臀部；并且我因而在她如此做下来。

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。