中大西洋海岭北部发生6.4级地震

 　　中大西洋海岭北部发生6.4级地震

　　Hong Kong, June 25 (Xinhua) -- An earthquake measuring 6.4 on the Richter scale jolted¹ northern Mid-Atlantic Ridge² at June 24, 2013 22:04:13 GMT on Monday, the U.S. Geological Survey said.

　　The epicenter, with a depth of 10.00 km, was initially³ determined⁴ to be at 10.7265 degrees north latitude⁵ and 42.6163 degrees west longitude⁶.

1 jolted   

（使）摇动， （使）震惊( jolt的过去式和过去分词 )

参考例句：

• The truck jolted and rattled over the rough ground. 卡车嘎吱嘎吱地在凹凸不平的地面上颠簸而行。
• She was jolted out of her reverie as the door opened. 门一开就把她从幻想中惊醒。

2 ridge   

n.山脊；鼻梁；分水岭

参考例句：

• We clambered up the hillside to the ridge above.我们沿着山坡费力地爬上了山脊。
• The infantry were advancing to attack the ridge.步兵部队正在向前挺进攻打山脊。

3 initially   

adv.最初，开始

参考例句：

• The ban was initially opposed by the US.这一禁令首先遭到美国的反对。
• Feathers initially developed from insect scales.羽毛最初由昆虫的翅瓣演化而来。

4 determined   

adj.坚定的；有决心的

参考例句：

• I have determined on going to Tibet after graduation.我已决定毕业后去西藏。
• He determined to view the rooms behind the office.他决定查看一下办公室后面的房间。

5 latitude   

n.纬度，行动或言论的自由(范围)，(pl.)地区

参考例句：

• The latitude of the island is 20 degrees south.该岛的纬度是南纬20度。
• The two cities are at approximately the same latitude.这两个城市差不多位于同一纬度上。

6 longitude   

n.经线，经度

参考例句：

• The city is at longitude 21°east.这个城市位于东经21度。
• He noted the latitude and longitude,then made a mark on the admiralty chart.他记下纬度和经度，然后在航海图上做了个标记。