呼拉圈

When is the last time you play hula hoop?

何时是你最后一次玩呼拉圈？

She had no problem in keeping the hula hoop going around her hips even when she was walking.

她没有问题，在保持呼拉圈四处她的臀部，即使她走。

Today in 1963, the hula hoop was patented .

在 1963年的今天，呼拉圈被申请专利。

Almost everyone has used a hula hoop at least once in their lives.

几乎每个人一生中都至少玩过一次呼拉圈。

This means that a person was given official credit for inventing the hula hoop.

这表示某人获得了发明呼拉圈的官方认证。

In short, hula hoop will not provide us any miracle when come to weight loss.

总之，呼拉圈，我们将不会提供任何奇迹来减肥。

In Germany it was popularized by the prizefighter Max Schmeling and his wife Anny Ondra.

在德国，使呼拉圈获得推广的是职业拳击家马克斯·施梅林和他的妻子安妮·昂德拉。

In England, where a quarter-million hulas had been sold, the British Medical Association cautioned,"No one with a known heart disease should try it, and anyone who is out of training should not go hard at it right away."

在英国，呼拉圈的销售量达到25万个，英国医学会发出警告说：&凡是已发现有心脏病的人都不能玩呼拉圈，凡是缺乏训练的人都不能一开始就玩得太猛。&

Finland solved the same problem by staging marathons in which participants had to keep three hulas going, at the neck, hips, and knees.

在芬兰，解决这个问题的办法是在舞台上举办呼拉圈持久比赛，参加者要长时间同时转动环绕在颈部、臀部和膝部的三个呼拉圈。

Lines of Japanese waiting to buy more stretched down the Ginza for blocks, and Premier Nobusuke Kishi received one as a gift on his sixty-second birthday.

而且还有许多日本人排长队等候购买呼拉圈，队伍在银座一带长达几个街口。岸信介首相62岁寿辰的时候，竟收到一个呼拉圈礼物。

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。