They fly to very specific places in South America and will often come back to the same trees in North American yards the following spring.
它们会飞往南美几个特定的地方，然后在第二年春天又飞回到北美院子里的同一棵树上。
When it's heading south, in September, it marks the onset of autumn in the north and spring in the south.
九月，当它朝南运转的时候，在北半球秋天就开始了；同样，南半球的春天刚开始。
The cloudy nights in July are dark； the sky is soft blue in the autumn； the spring days are restless with the south wind.
七月的阴夜是黑沉的；秋日的天空是浅蓝的，南风把春天吹得骀荡不宁。
The cloudy nights in July are dark; the sky is soft blue in the autumn; the spring days are restless with the south wind.
七月的阴夜是黑沉的；秋日的天空是浅蓝的，南风把春天吹得骀荡不宁。
Jay Adelson, chief executive of digg, used the Bigg digg Shindigg at the South by Southwest Interactive conference to give more details about the new-look website, which goes live this spring.
Digg网的首席执行官杰·阿德尔森(Jay Adelson)在“南偏西南”互动媒体大会上用diggShindigg揭秘了焕然一新的网站包括即将在春季上线的诸多细节。
Every year, a massive phytoplankton bloom spreads across the north Atlantic, moving from south to north and peaking in the late spring.
每年，大量的浮游植物爆发蔓延横跨北大西洋，它们由南向北移动，并且在春季后期达到顶峰。
When north China is still covered with snow, people in south China are busy with spring plowing.
当北方还是千里冰封、万里雪飘之时，南方已进入春耕季节了。
No sooner were we back in camp than the mobile telephone rang and a contact reported hearing gunshots from the village of Attan, to the South East of Buffalo Spring.
我们刚刚回到营地，手机铃就响了，一个当地联系人报告说听到从布法罗泉水东南的阿坦村传来枪声。
The first four months were the hottest ever measured, with record spring temperatures in northern Africa, south Asia and Canada.
2010年前四个月里比以往更热，北非、南亚和加拿大都出现了破纪录的春季高温。
We were in the south of France last spring for the television festival - (MIPTV) - and every time I come to Paris it's just a great experience.
去年春天参加影视会演(MIPTV)时我们来到了法国南部，每次我来巴黎，这都是一次非常愉快的体验。
Spring rains in March, south of the peach blossom is busy most pleasant surprise Yan Mei.
春雨绵绵的三月，江南的桃花正在忙碌的惊喜中绽放艳美。
In Yiyang, a town of 360,000 in south-central China, electricity shortages are so severe this spring that many homes and businesses receive power only one day in three.
益阳这座具有36万人口的华中城市，今春以来电荒极其严重，许多家庭和企业每3天才能供一天电。
In Yiyang, a town of 360, 000 in south-central China, electricity shortages are so severe this spring that many homes and businesses receive power only one day in three.
益阳这座具有36万人口的华中城市，今春以来电荒极其严重，许多家庭和企业每3天才能供一天电。
Spring gis coming, the swallow flew back from the south, chirping sound, like a music ringing.
春天来了，燕子从南方飞回来了，叽叽喳喳的叫声，像清脆的音乐。
Spring gis coming, all things recovery, willow twigs of already germination, the swallow flew back from the south, depression of the earth again full of vitality.
春天到了，万物复苏，杨柳的嫩枝已经发芽了，燕子从南方飞了回来，萧条的大地又开始充满生机。
Pairss of swallows through mountains and rivers, across the lake to the south, the exhausted, but was such a beautiful spring, like to eat a lot of this stuff, chocolate becomes active, has a spirit.
一对对燕子穿过山川，越过湖面，来到南方，早已筋疲力尽，但感到如此美丽的春天，好像吃了许多巧克力这个东西，变得活跃，有精神。
In the south of China, summer marks the middle of green tea season, which runs from late spring to fall.
在中国，北方的绿茶采摘季节从晚春一直延续到秋季，夏季正好处于中间。
I usually look forward to the Spring Festival and the winter holiday when I can go to the south where the climate is warmer during these holidays.
我总是盼望着春节或寒假，到时候我就可以去南方了，当地的气候在这时会暖和的多。
I also just learned that the Robins Iwatched out my window all winter have migrated to Canada and the Robins eating the worms from the lawn all spring and summer came here from the south.
我也刚刚得知，栗背林鸲我看到了我整个冬季窗户已移居加拿大，栗背吃蠕虫的草坪春季和夏季都来自南方这里。
In winter, many birds fly to the south, because they need to find a warm place to live, but they will fly back in spring.
冬天，很多鸟儿会往南飞，他们需要给自己找个温暖的地方生存，但是到了春天，它们又会飞回来。
Swallow flew back from the south, while flying side of the cheerful cried, as if to congratulate the arrival of spring.
燕子从南方飞回来了，一边飞一边欢快的叫着，仿佛在祝贺春天的来临。
Changes in the Asian tropical atmospheric circulation has little influence on the spring monsoon in South China according to this research.
而亚洲热带大气环流的年际变化与华南春季风降水的变化关系不大。
Changes in the Asian tropical atmospheric circulation has little influence on the spring monsoon in South China according to this research.
而亚洲热带大气环流的年际变化与华南春季风降水的变化关系不大。
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