公元前

In China, the Dragon Boat Festival memorializes the Chinese patriotic poetChiu Yuan(340 BC-278 BC or 343-290 B.C.), who committed suicide by jumping into the river after tying himself with big rock on the 5th day of the 5th lunar month.

在中国，端午节memorializes中国爱国poetchiu元（公元前340 -公元前278或343-290 BC ）的，谁致力于跳楼自杀到河后，绑自己的大岩石上第5天的第五正月。

The original work dates from c.615 BC, but it was updated and reedited c.550 BC.

原来的工作时间从c.615公元前，但它已更新和reedited c.550公元前。

Chu subjugated Yue in 333 BC, and was in turn subjugated by the state of Qin in 221 BC.

楚征服乐在公元前333 ，并反过来又征服国的秦在公元前221 。

IV Macedonica sided always with Julius Caesar's adopted son, Octavian, first against Caesar's murderers in the Battle of Philippi in 42 BC, then against Mark Antony in the naval battle of Actium in 31 BC.

第四&马其顿尼卡&军团忠心耿耿地追随屋大维，在他的指挥下参加了讨伐杀害恺撒凶手们的Philippi战役(公元前42年)，随后又参加了公元前31年征讨安东尼的亚克兴海战。

AD 或 BC AD=Anno Domini 公元,BC=Before Christ

公元前。不带点的公元或公元前

The archaeologists said in the statement that radio-carbon dating put the construction of the circle of bluestones at between

考古学家在一份声明中说，经放射性碳测年法鉴定，环形巨石阵应该建造于公元前2400年至公元前2200年之间，比之前的推测晚了几百年。

The archaeologists said in the statement that radio-carbon dating put the construction of the circle of bluestones at between 2,400 B.C. and 2,200 B.C., a few centuries later than originally thought.

考古学家在一份声明中说，经放射性碳测年法鉴定，环形巨石阵应该建造于公元前2400年至公元前2200年之间，比之前的推测晚了几百年。

Longer races were gradually introduced and by708 B. C., field events like the discus, javelin throw and the long jump were part of the program. Wrestling and boxing followed and in640 B. C., four-horse chariot races became a fixture at the Games.

后来更长距离的跑步项目逐渐列入比赛，到公元前708年，像铁饼、标枪及跳远等也已成为比赛项目，接着又增加了摔跤和拳击比赛，公元前640年，四马战车比赛成为运动会上的固定项目。

From 104 BC to 102 BC Emperor Wu of Han waged war against the Yuezhi who controlled Dayuan, a Hellenized kingdom of Fergana that was established by Alexander the Great in 329 BC.

从104年到公元前102汉武帝发动对芝谁控制大元，一个Hellenized英国的费尔干纳说，设立了亚历山大大帝在公元前329 。

In 44 BC Caesar nominated the magistrates several years in advance (another shunning of tradition on Caesar's part), and the young man was included as his Master of Horse for 43 or 42 BC.

公元前44年凯撒提前任命了一批行政官其中屋大维被任命为公元前43年-42年的Master of Horse（再次原谅我的无知，顺便请教，这是什么。。。-，-。

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。