50年前中埃建交，开启了中国与阿拉伯国家关系的大门。
The establishment of diplomatic ties between China and Egypt 50 years ago has opened a door to Sino-Arab ties.
人们担心他的身体在排斥他4年前在一项移植中接受的一个肾脏。
It was feared his body was rejecting a kidney he received in a transplant four years ago.
这些难民在重新定居前被安置在意大利的难民营中。
The refugees were put in camps in Italy before being resettled.
她十年前就去世了，但她却留在人们的记忆中。
25年前，帕堤亚是个平静的渔村。后来被从越南战争中撤出休整的美军士兵所发现。
Twenty-five years ago Pattaya was a sleepy fishing village. Then it was discovered by American soldiers on R & R from Vietnam.
苹果是前五名中唯一的外国品牌，但近年来，它的市场份额已大幅输给了本土品牌。
Apple is the only foreign brand in the top five, but it has lost large ground to the home brands in recent years.
在北京奥运会一场跆拳道铜牌争夺战中，前奥运冠军古巴选手马托斯因踢打裁判面临终身禁赛。
Former Olympic champion Angel Matos of Cuba faces a life ban after kicking a referee in the face during his taekwondo bronze medal match in Beijing.
在获救前，许多遇难者整夜被困在残骸中。
Many victims remained trapped in the wreckage through the night before they were rescued.
文件中说所有货物必须在规定期限前用船送出。
In the document, it says that all goods shall be shipped over before the due day.
今天早上的考试中，最后四道题我答不上来，但前五道我答了。
During this morning's test, I couldn't do the last four questions, but I did the first five.
事实上，研究表明40亿年前大气中的二氧化碳含量远远高于今天的水平。
In fact, studies indicate that four billion years ago, carbon dioxide levels in the atmosphere were much higher than today's levels.
在A、B、C、D和F评分体系中，前四个字母通常被认为是及格。
In the A, B, C, D and F grading system, the first four letters are typically considered passing grades.
要成为门萨会员，你的智商必须在参加测试的人群中处于前2%。
To become a Mensa member, you must have an IQ that falls in the top 2 percent of the population that take the tests.
克里斯蒂亚诺·罗纳尔多对巴萨的战绩非常糟糕。他对巴萨的前六场比赛中从未打入一球。
Cristiano Ronaldo's record against the Blaugrana is an exceedingly poor one. He's never scored against them in six occasions.
首尔在50年前的朝鲜战争中几乎被夷为平地，如今，通过规划控制，成为世界上第五大城市。
Seoul, nearly obliterated in the Korean War fifty years ago, was now the fifth biggest city in the world over planning controls.
在2007年《新闻周刊》公布的全美前5%的学校名单中，近250所学校的毕业生不足200人。
Nearly 250 schools on the full Newsweek list of the top 5% of schools nationally had fewer than 200 graduates in 2007.
截至1996年，在国外出生且于1970年前到达美国的移民中拥有房产的人数比例为75.6%，高于本土出生的美国人的 69.8%。
By 1996 foreign-born immigrants who had arrived before 1970 had a home ownership rate of 75.6 percent, higher than the 69.8 percent rate among native-born Americans.
在生活中，如果我们只是勇往直前而不回头，我们更有可能实现我们的目标。
It is true in life that if we just keep going forward without looking back, we are more likely to reach our goals.
在比Mush更年轻的遗址中，不少2600万年前只属于非洲大陆的哺乳科动物消失了。
A handful of Africa's unique island mammal families that were present 26 million years ago are absent from sites younger than Mush.
第三个目标将在嫦娥5号任务中实现，该任务将在今年年底前完成。
The third will be achieved during the Chang'e 5 mission, which is set to take place before the end of this year.
甚至那些自制力高于平均水平的学龄前儿童也能从更多的自制力训练中受益。
Even the children who had above-average self-control as preschoolers could have benefited from more self-control training.
他们中的大多数人在课程开始前都参加了在线语言测试。
The majority of them took an online language test before starting their programme.
在公元前200年左右的中国，他们发现通过在粘土中添加矿物质可以改善陶瓷的外观和强度。
In China at around 200 BC, they discovered that by adding minerals to the clay they could improve both the appearance and the strength of the ceramics.
据《中国日报》报道，第三个将在“嫦娥5号”任务中实现，该任务将于今年年底前完成。
The third will be achieved during the Chang'e 5 mission, which is set to take place before the end of this year, China Daily reported.
从火星熔岩流上出现的少量陨石坑中，我们可以估计，在5亿年前，这个星球上的火山还很活跃——也许现在依然活跃。
From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago—and may be active today.
一个世纪前，亨利·卡文迪什注意到当空气中的氧气和氮气被除去，还有其他剩余气体存在，但人们还没有认识到它们的重要性。
A century earlier, Henry Cavendish had noted the existence of a residual gas when oxygen and nitrogen are removed from air, but its importance had not been realized.
大约2.5亿年前，在地球历史上最严重的一系列大灭绝中，几乎所有的生命物种都消失了。
Roughly 250 million years ago, in the worst series of mass extinction in Earth's history, almost all species of life simply vanished.
在主要的大学或高中体育赛事中，拉拉队，无论男女，都会在人群前蹦蹦跳跳，呼喊他们队伍的名字，绕着队伍跑，喊着“加油，队伍，加油”的口号。
At major college or high school sports events, cheerleaders, both male and female, jump and dance in front of the crowd and shout the name of their team, running around yelling "Go team, go".
在主要的大学或高中体育赛事中，拉拉队，无论男女，都会在人群前蹦蹦跳跳，呼喊他们队伍的名字，绕着队伍跑，喊着“加油，队伍，加油”的口号。
At major college or high school sports events, cheerleaders, both male and female, jump and dance in front of the crowd and shout the name of their team, running around yelling "Go team, go".
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