公元前

The armillary sphere was used to measure the location of celestial bodies.

浑仪是中国古代测定天体位置的仪器，发明于战国时期（公元前475-前221年），唐宋时期趋于完善。

The Celts began to arrie Britain about 700 BC.

约公元前700年，克尔特人来到不列颠岛。

Yet, the first results are encouraging: several architectural remains that appear to have belonged to a palace-like building and a fort, tombs, ceramics, seals, and two lists with personal names that date back to the year 170 of the Arsacid era (= 78 BCE).

然而，第一批成果是令人鼓舞的：一些建筑仍然是，似乎已经属於一个宫殿式建筑和要塞，古墓，陶瓷，印章，两份名单，并与个人的名字，可追溯到170年的Arsacid时代（= 78公元前）。

Aspasia had a son by Pericles, Pericles the Younger, who later became a general in the Athenian military and was executed after the Battle of Arginusae.

一些学者质疑传统说法把阿斯帕西亚当初交际花或者情妇，而说实际上阿斯帕西亚与伯里克利结婚并生有一子，及伯里克利二世，后来成为了雅典军队的一名军官并在阿吉纽西之战Battle of Arginusae，公元前406年8月）后被处决。

"The Upper Paleolithic (40,000-10,000 BC) saw the emergence of more complex, specialized, and diverse regional stone-tool industries, such as the Aurignacian, Solutrean, and Magdalenian."

&旧石器时代后期(公元前40，000～10，000年)，更多复杂的、专门的和不同地区的石器工艺出现了，如奥瑞纳文化、梭鲁特文化期工艺和马格德林文化。&

"It was here in the sixth century BC, between the Aventine and the Palatine hills, that the Circus Maximus was born."

&公元前六世纪，就是在这里，阿文蒂诺山丘与帕拉蒂诺山丘之间，马西莫至大娱乐场建成了。&

Foreign artifacts dating to the 5th millennium BC in the Badarian culture of Egypt indicate contact with distant Syria.

外国的史前古器物要回溯到公元前5000年的埃及巴达里斯文化，表明了当时与较远的叙利亚的交往。

The island is one of the four major Balearic Islands—the others are Menorca, Ibiza, and Formentera—and it was colonized by the Romans in the second century B.C. The Romans also founded Palma, the principal city of the Balearics.

该岛是世界上四大巴利阿里群岛之一，其它的是梅诺卡，伊比沙岛，和福门特拉岛，而且公元前二世纪，它被罗马人占领，罗马人建立了帕尔马，是巴利阿里的主要城市。

Fantastic fishing opportunities, breathtaking mountain scenery and intimate … single barbless hooks and are governed by all current BC fishing regulations.

神奇捕鱼机会，璀璨迷人的高山景色和亲密扛单barbless钩，均受当前所有公元前捕鱼规定。…比如

Pictorial records of both wrestling and armed combat date to the Bronze Age ancient Near East, such as the 20th century BC mural in the tomb of Amenemhet at Beni Hassan, or the 26th century BC "Standard of Ur".

画报记录都摔跤和武装战斗日至青铜时代古代近东，如公元前20世纪的壁画墓在贝尼哈桑Amenemhet ，或26世纪&标准乌尔&。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。