八十分之一

Because the oxygen being used by the battery comes from the surrounding air, the device that Dr Bruce's team has designed can be a mere one-eighth to one-tenth the size and weight of modern batteries, while still carrying the same charge.

因为给电池使用的氧气来自于周围的空气，布鲁斯博士的团队设计的设备在规模和尺寸上都是当下电池的八分之一到十分之一，然而仍能携带相同的电量。

Its mean diameter is 3,475 kilometers (2,160 miles), its mass approximately one eightieth that of Earth, and its average period of revolution around Earth 29 days 12 hours 44 minutes calculated with respect to the sun.

它的平均直径为3，475公里2，160英里），它的质量约为地球的八十分之一，参照太阳，它围绕地球旋转的平均周期为29天12小时44分钟

As mowing heights on greens came down from the quarter-inch of the Classic era to one-eighth of an inch and now to one-tenth of an inch today, Modern architects came to enjoy little margin of error when building and draining their courses.

因为果岭剪草高度已经从传统时期的四分之一英寸到今天的八分之一英寸甚至十分之一英寸，现代的设计师开始享受在建造果岭及果岭排水时小小的错误误差。

Dust the baseboards? Are you kidding? Ironically, though, American women seem quite satisfied with their housekeeping, according to a national survey conducted in 1995-96. Besides that, people are designing their homes with low-maintenance features--tile in bathrooms and kitchens as well as marble on countertops--to cut down on the need for frequent cleaning. Even so, more and more people are hiring outside help to clean their houses. A Roper poll found that one in six Americans hired cleaning help last year, up from one in 10 in 1986. One professional housecleaning service, Merry Maids, has grown to over 800 franchises in recent years.

但可笑的根据一九九五／六年做的一项全国性调查美国妇女似乎对他们的家务整理挺满意除此之外人们以较不需要时时清洁的材料来设计他们的家--在浴室及厨房贴磁砖以及做大理石的台面--减少打扫的次数即使如此越来越多的人雇用外人协助清理屋子一项洛普民意调查发现去年有六分之一的美国雇用清洁服务较一九八六年的十分之一比率上升许多一个专业性的家务清理服务「快乐女佣公司」在最近几年已成长到有八百多家的连锁店

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。