Observations of the Arctic reveal that the Arctic Ocean is covered by less ice each summer than the previous summer.
对北极的观察显示，每个夏天北冰洋上面覆盖的冰川都比前一个夏天的要少。
Each summer a new batch of students tries to find work.
每年夏天都有一批新的学生要找工作。
As each summer season approaches, there's no escape from it.
随着每个夏季的临近，人们都无法逃避它。
Each summer is hotter, each winter more bitter.
夏天越来越热，冬天越来越冷。
Each summer, Mister Sipan travels to where the shepherds live.
每年夏天，西庞先生都要到这些游牧部落居住的地方去考察。
They are deployed each summer to help swimmers in need of rescue。
每到夏天，这些救生犬会被增派到各个海滩度假地，帮助救援溺水者。
Each summer, I leave my hometown of Tucson in search of cooler climes.
每年夏季，我都离开家乡图森去寻找凉爽的地方。
Paula a travels to New Mexico each summer to paint western landscapes.
波拉每年夏天都去新墨西哥州画西部风景画。
Each summer the family traveled to their holiday home in northern Michigan.
每年夏季，海明威一家都前往密西根州北部的度假屋。
Each summer, organizers hold three two-week meetings at a camp in the state of Maine.
每年夏季，组织者在缅甸州一个露营地里举行三次持续两周的会议。
Unlike flu viruses, new strains of swimming pool microorganisms don't premiere each summer.
不像流感病毒，泳池的微生物并不是每个夏天都出现新品种。
Many are one-year postings in Iraq and Afghanistan, which need fresh volunteers each summer.
许多人都是在伊拉克和阿富汗只有一年派任，因而每年夏天都需要新的志愿者。
Eventually, homes will belost as more ice melts each summer, and maybe all of Bykovsky, too.
夏天，更多的冰融化，最终，房屋乃至整个村庄，将会被海水吞没。
That means we hire just about as many interns as we can physically fit in our offices each summer.
这意味着，每年夏天我们的办公室有多少空位置，我们就要请多少实习生来。
But for ten days each summer, part of the Mall is crowded with unusual sights, sounds and smells.
但是每年夏天有十天广场的一部分充满了独特的情景、声音和气息。
EVERY year’s weather is worse than the year before’s. Each summer is hotter, each winter more bitter.
气候是一年不如一年，每个炎夏都更热一分，每个寒冬都更冷一分。
The big question now is when the ice will disappear totally each summer. There will be an answer in 2010.
现在重要的问题是，何时北极在夏季再无冰存在。
Patterson said he has taken 18 hours every semester since his freshman year as well as nine hours each summer.
Patterson说从大一开始他每学期（每天）花上18小时，夏天要花9个小时。
Overhead of open-air theatre of Lykavittos hill, each summer hosts musical, theatrical performances in evenings.
利卡维多斯山的露天剧场，每年夏天这里都会在晚上举办一些音乐会及戏剧表演。
The vast majority of walruses in the Chukchi each summer are females who fatten up on clams that populate the seafloor.
每年夏天生活在楚科奇海域的绝大部分海象都是雌海象，它们吃食遍布海底的蛤蜊储蓄脂肪。
Once each summer, our relatives from around the country will visit us, and we all stay at the beach for a week or so.
每到夏天，我们的亲戚就会从全国各地赶来拜访我们，然后全部人一起在海滩呆上一周左右。
Likewise, hundreds of thousands of southern elephant seals come to the island each summer to breed and to rear their young.
同样，每年夏季来到这个海岛繁殖哺育后代的南象海豹的数量也多达数十万。
The greatest threat of all would be from any change to the monsoon, which delivers most of the region's fresh water each summer.
而最大的威胁则来源于雨季的变化，该地区大部分淡水资源都来自于每年夏天的雨水。
Researchers monitoring the spread of the blue-green algae said such blooms had spread over the Baltic sea each summer for decades.
研究人员检测到蓝绿色藻类如此蔓延在波罗的海的每年夏天，长达数十年之久。
Hawking holds a Distinguished Research Chair at the Perimeter Institute, and is expected to spend several weeks there each summer.
霍金在圆周理论物理研究保留着一个杰出研究员的职位，预计每年的夏天，他将在那里工作几个星期。
When I was a little boy, my family would take a couple of months — yes, months — off each summer to go on a long, leisurely vacation.
——当我还是个男孩的时候，每年夏天我们家都会花几个月——没错，几个月——去享受一个悠长假期。
When I was a little boy, my family would take a couple of months — yes, months — off each summer to go on a long, leisurely vacation.
——当我还是个男孩的时候，每年夏天我们家都会花几个月——没错，几个月——去享受一个悠长假期。
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