中英双语新闻 天文学家发现多颗行星或存在液态水

BBC News with David Austin.

Astronomers¹ say they've made a major discovery of planets orbiting a distant star which may hold the right conditions to support life. They say they've found seven earth-sized planets orbiting a star called Trappist-1. They are believed to be the correct distance from the star for liquid water to exist on their surfaces.

Official figures from Mexico show that the number of murders increased by a third in January compared with the same month last year. The authorities suspect the jump in violence is linked to the extradition² to the United States of the drug lord, Joaquin Guzman, known as El Chapo. They believe a power vacuum has encouraged attacks by rival criminal groups.

The World Trade Organization says a deal, which is described as the biggest reform of global trade in a generation has come into effect. The agreement, which aims to streamline³ cross-border trade, has now been ratified⁴ by the United States, the European Union and China.

The centrist French presidential candidate, Emmanuel Macron, has accepted an offer of an alliance with a veteran campaigner, Fran?ois Bayrou, who could have split the vote if he stood against him. Mr. Bayrou said there was an urgent need to join forces in the face of challenge from the anti-immigration party, National Front.

The U.S. military has acknowledged that its troops have been involved in fighting with Islamic State militants⁵ in the battle for the Iraqi city of Mosul. When American forces were first deployed⁶ to Iraq, they were meant only to advise local allies. But they are now working more closely with the Iraqi Army.

Demonstrators opposed to the building of an oil pipeline⁷ under a lake in North Dakota in the United States have set fire to tents in their protest camp, shortly before a deadline to leave expires today. President Trump⁸ has signed an executive order, clearing the way for the construction of the Dakona Access Pipeline to proceed.

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天文学家称其有了一个重大发现：有多颗行星围绕一颗遥远的恒星运动，而这颗恒星上可能具备孕育生命的条件。天文学家表示，这颗恒星名为“特拉普1号”(Trappist-1)，它有7颗与地球大小相近的行星绕其旋转。天文学家认为，这些行星距离“特拉普1号”的距离适当，为行星表面液态水的存在创造了可能。

墨西哥官方数据显示，17年1月，全国杀人犯数量同比上升了1/3。当局怀疑暴力案件骤增与美国引渡绰号为“矮子”的毒枭乔奎因古兹曼(Joaquin Guzman)有关。他们认为，权力真空的形势鼓励了同与其竞争的犯罪集团发动暴力袭击。

世贸组织(WTO)称，被称作几十年来全球贸易最大一次改革的协定已开始生效。该协定旨在精简跨境贸易，目前已通过美国、欧盟和中国的批准。

法国中间派总统候选人马克隆(Emmanuel Macron)接受了资深政治家贝鲁(Fran?ois Bayrou)联盟的邀请。如若不然，贝鲁就会分走一部分选票。贝鲁表示，在反移民政党Front National(国民阵线)的挑战面前，急需联合力量。

美国军方已承认其军队已参与了对抗IS国以收复伊拉克城市摩苏尔的战斗中。美国军方一开始向伊拉克部署军队时只是想为其盟友伊拉克政府提供建议。但现在美军正与伊军进行更加密切的合作。

反对在美国北达科他州某湖下建造输油管道的示威者们在搬离期于今天正式截止的时间点之前纵火烧了抗议营里的帐篷。特朗普总统已签订总统令，为达科他输油管计划(Dakota Access Pipeline)的进行扫除了障碍。

1 astronomers   

n.天文学者，天文学家( astronomer的名词复数 )

参考例句：

• Astronomers can accurately foretell the date,time,and length of future eclipses. 天文学家能精确地预告未来日食月食的日期、时刻和时长。 来自《简明英汉词典》
• Astronomers used to ask why only Saturn has rings. 天文学家们过去一直感到奇怪，为什么只有土星有光环。 来自《简明英汉词典》

2 extradition   

n.引渡（逃犯）

参考例句：

• The smuggler is in prison tonight,awaiting extradition to Britain.这名走私犯今晚在监狱，等待引渡到英国。
• He began to trouble concerning the extradition laws.他开始费尽心思地去想关于引渡法的问题。

3 streamline   

vt.使成流线型；使简化；使现代化

参考例句：

• We must streamline our methods.我们必须简化方法。
• Any liquid or gas passing it will have streamline flow.任何通过它的液体或气体将呈流线型的流动。

4 ratified   

v.批准，签认（合约等）( ratify的过去式和过去分词 )

参考例句：

• The treaty was declared invalid because it had not been ratified. 条约没有得到批准，因此被宣布无效。
• The treaty was ratified by all the member states. 这个条约得到了所有成员国的批准。

5 militants   

激进分子，好斗分子( militant的名词复数 )

参考例句：

• The militants have been sporadically fighting the government for years. 几年来，反叛分子一直对政府实施零星的战斗。
• Despite the onslaught, Palestinian militants managed to fire off rockets. 尽管如此，巴勒斯坦的激进分子仍然发射导弹。

6 deployed   

（尤指军事行动）使展开( deploy的过去式和过去分词 )； 施展； 部署； 有效地利用

参考例句：

• Tanks have been deployed all along the front line. 沿整个前线已部署了坦克。
• The artillery was deployed to bear on the fort. 火炮是对着那个碉堡部署的。

7 pipeline   

n.管道，管线

参考例句：

• The pipeline supplies Jordan with 15 per cent of its crude oil.该管道供给约旦15%的原油。
• A single pipeline serves all the houses with water.一条单管路给所有的房子供水。

8 trump   

n.王牌，法宝；v.打出王牌，吹喇叭

参考例句：

• He was never able to trump up the courage to have a showdown.他始终鼓不起勇气摊牌。
• The coach saved his star player for a trump card.教练保留他的明星选手，作为他的王牌。