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1·The tilt of Earth's axis, toward the Sun at some times of the year and away from the Sun at other times, is responsible for the annual cycle of seasons.

地轴的倾斜在一年中的某些时候朝向太阳，而在其它时间远离太阳，造成了每年的季节循环。

2·It can loosely be described as travel that takes place at regular intervals—often in an annual cycle—that may involve many members of a species, and is rewarded only after a long journey.

它可以比较粗略地描述成是发生在固定周期（这个周期通常是一年一次）的包含某一个物种很多成员的集体旅行，并且只有在长途旅行后才有回报。

3·The annual cycle repeats itself.

每年的周都会循环。

4·The annual cycle of gonad development and the fertilization of the nemertean, Procephalothrix simulus, were studied by histological method.

用组织切片法对扁额原细首纽虫周年性腺发育及受精过程进行了初步的研究。

5·The Moon's brightness varies throughout its annual cycle, during the mid-winter in the northern hemisphere it can appear brighter simply because it is higher in the sky.

月球的亮度随着轨道位置的变化而变化，在北半球的深冬，月亮会更亮，因为它在天空中更高。

6·At a similar point in the early 1980s business cycle, annual growth was roaring ahead at 7.1%, and employment was growing rapidly.

相似的经济增速也出现在上世纪80年代早期的商业周期，全年经济以7.1%增速迅猛上升，就业率增长迅速。

7·Japan has seen steady annual sales of about 300, 000 for several years, and in the cycle-crazy Netherlands e-bikes are beginning to take off.

在日本，已经有几年销量稳定在每年三十万辆。 在有骑车狂热的新西兰，电动自行车销量也开始起飞。

8·This is a serious racing bike which made its debut at the annual Milan-San Remo cycle race on March 19th, where it was ridden by the winner, Matt Goss.

3月19日一年一度的米兰-圣雷莫自行车大赛首次亮相并由冠军玛特·科斯(Matt Coss)所骑的赛车就是一款非供消遣的赛车。

9·Assists in the implementation of the annual promotion plan and menu change cycle.

协助年度促销计划菜单变化的准备和实施。

10·On time finish cycle counting and annual stock taking work assigned by warehouse supervisor.

准时完成仓库领导分配的仓库循环盘点和年度盘点工作。