公元前

It has been pointed out, for example, that in 6000 BC the fastest transportation available to man over long distances was the camel caravan, averaging eight miles per hour.

譬如，有人指出，在公元前六千年的时候，人类可使用的最快的远距离交通手段是骆驼运输队，平均每小时八英里。

It has been pointed out, for example, that in 6000 BC the fastest transportation available to man long distances was camel caravan, averaging eight miles per hour.

例如，有人指出，公元前6000年，人们长途旅行的最快工具是骆驼车，平均每小时8英里。Averaging分词短语，此处是补充说明，进一步提供信息。

The canal system was built in BC 250 years, have elapsed since the 2230 years of history, is the world's one of the oldest irrigation projects.

该渠系建于公元前250年，距今已有2230多年历史，是世界上最古老的水利灌溉工程之一。

As countries with ancient civilizations, China is using the technology of the earlier one, about a few hundred years before Christ, ancient China to working people to create this kind of lost wax casting technology for precision casting with a variety of patterns and fine Text of Zhong Ding and products such as containers, such as the Spring and Autumn when the statue of the tomb site, and so on.

作为文明古国，中国是使用这一技术较早的国家之一，远在公元前数百年，我国古代劳动人民就创造了这种失蜡精密铸造技术，用来精密铸造带有各种精细花纹和文字的钟鼎及器皿等制品，如春秋时的曾侯乙墓尊盘等。

The use of castor seed oil in India has beendocumented since 2000 BC for use in lamps and in local medicine as a laxative.

在印度，蓖麻籽油的用途可追溯到公元前2，000年，用于照明以及作为当地的一种药物－轻泻剂。

Design element : The series product of the X-chariot comes from a fourth centry B.C. ancient vigorous period chariot car wheel in Rome and shield shape.

设计元素：X-chariot系列产品源于公元前四世纪古罗马鼎盛时期的战车车轮和盾牌造型。

"The earliest Egyptian bead s (c. 4000 BC) were made of stone, feldspar, lapis lazuli, carnelian, turquoise, hematite, or amethyst and were variously shaped (sphere, cone, shell, animal head)."

最古的埃及珠饰年代约为公元前4000年，一般为石制(绿长石、杂青金石、光玉髓、绿松石、赤铁矿和紫晶)，形状有球形、圆柱形、贝壳形或动物头形。

"The earliest Egyptian beads (c. 4000 BC) were made of stone, feldspar, lapis lazuli, carnelian, turquoise, hematite, or amethyst and were variously shaped (sphere, cone, shell, animal head)."

最古的埃及珠饰年代约为公元前4000年，一般为石制(绿长石、杂青金石、光玉髓、绿松石、赤铁矿和紫晶)，形状有球形、圆柱形、贝壳形或动物头形。

In the creation epic Enuma elish, written around 2000 BCE, their descendants started to irritate Tiamat and Apsu so they decided to kill their offspring. Ea discovered their plans and he managed to kill Apsu while the latter was asleep.

根据写于大约公元前2000年的创世史诗《Enuma elish》记载，他们的子孙激怒了Tiamat 和 Apsu，然后他们决定毁灭他们的后代。

From late second century BC Roman history was seen as a series of stages in an ever-deepening crisis, Republic at the basic of city-state started to collapse, the demands of Italian allied communities were very strong for their equal rights with Romans.

至公元前 2世纪末，罗马版图已经扩展到整个地中海区域，建立在城邦制基础上的罗马共和国开始面临危机，各类矛盾不断激化，其中意大利同盟者要求合法权利的呼声日益高涨。

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。