1894年，米草属植物夹杂在移迁牡蛎的包装材料中，从东海岸来到了华盛顿州。
Spartina was transported to Washington State in packing materials for oysters transplanted from the east coast in 1894.
在商品价格较高的时期，西迁的速度大幅增长。
During periods when commodity prices were high, the rate of westward migration increased spectacularly.
但是海洋中浮游动物每天的垂直运动——夜里上浮以寻找食物，白天下潜以躲避捕食者——也可以被视作迁徒。
But daily vertical movements by zooplankton in the ocean—upward by night to seek food, downward by day to escape predators—can also be considered migration.
“孟母三迁”这个成语讲述的是一位母亲竭尽全力为孩子提供最好的环境的故事。
The idiom "Mengzi's mother makes three moves" tells of a mother who did all she could to provide the best environment for her child.
在这种情况之下，很少会有难民自愿迁返。
Under these conditions, few refugees want to return voluntarily.
舍弃复杂的建筑，迁向更小的居住点以利用有限的水资源。
Abandoning the intricate buildings and moving towards smaller settlements to utilize the limited water that existed.
科学家们困惑了，因为迁飞蝗群通常要每晚落地休息。
Scientists were stumped because migrating swarms normally come down to rest every night.
那篇我为了东迁而写的文章最终却毁了我在伊斯坦布尔的生活。
The article I wrote to help me move eastwards ultimately undermined my life in Istanbul.
随着一座座工厂东迁，旧欧洲的工人、公会和政客们不禁连声哀叹。
Workers, trade unions and politicians in old Europe mourned each factory moving east.
如今时过境迁，玩视频游戏已经成为了许多人生活中的主要活动。
Today, things are much different. Video games have become a staple activity in many people’s lives.
牧场是我心灵的港湾，停泊着我那逝去时光的美好记忆，不迁不移。
The ranch served as my anchor, holding passing memories of magical times.
简言之，拐卖儿童就是以剥削为目的在一国之内或国际间迁遣儿童。
Put simply, child trafficking is the movement of a child, within a country or across borders for exploitative purposes.
时过境迁，在麻省理工和其他地方，这个词就开始和电脑程序联系起来了。
Over time, the word became associated with the burgeoning computer programming scene, at MIT and beyond.
曾供西迁的拓荒者开发的丰富土地就是一个方面，而教育上的收获则是另外一个方面。
The plentiful supply of land once available to settlers moving west is one example.Educational gains are another.
曾供西迁的拓荒者开发的丰富土地就是一个方面，而教育上的收获则是另外一个方面。
The plentiful supply of land once available to settlers moving west is one example. Educational gains are another.
每一天都能见到迁离的迹象，如空房招租、空铺招租，但是，我会拒绝迁离此地。
Every day you see evidence of emigration-houses for rent, businesses for rent-but I will resist emigration.
时过境迁，现在已经有很多的资料讲解组件开发了，同时还有一些优秀的介绍和展示。
But now there are tons of resources on component development, and there have been some fantastic presentations.
我迅速抓起一个洋葱，想把自己脸上流淌着的带咸味的水迁罪于某样东西而非我糟糕的心境。
I quickly grabbed an onion in hope of blaming the saltwater running down my cheeks on something other than my lousy frame of mind.
图：绿色线路为秋季燕鸥南迁路线；红色线路为其冬季飞行路线；黄色线路为春季燕鸥北飞路线。
See map at right: Green represents autumn/southward migration; red denotes winter range; and yellow represents spring/northward journey.
他们扩展到现在俄罗斯联邦的Tuva地区，直到13世纪蒙古帝国的崛起，吉尔吉斯人开始了南迁。
They spread across what is now the Tuva region of the Russian Federation, until the rise of the Mongol Empire in the 13th century, when the Kyrgyz began migrating south.
时过境迁，如今主权财富基金唱起了主角：他们有现金；他们不必依靠信贷市场；他们放眼于长期回报。
This changed landscape puts the sovereign wealth funds in a plumb position: they have cash; they don't need the credit markets; they are looking for long-term return.
相比起来，在美国国内解决成本差异问题倒不那么痛苦，因为工人乐意迁离衰退区域，去发达地区找工作。
Within America, by contrast, cost imbalances are resolved less painfully, because workers are willing to move from depressed states to where jobs are more plentiful.
不过，最近的敌意则对准了从欧盟的东欧新成员国——尤其是波兰和罗马尼亚——西迁而来，且规模更甚的移民群体。
But the latest hostility has been aimed at the far larger Numbers who have moved westwards from the new east European members of the European Union, notably Poland and Romania.
然而时过境迁，美国经济风头与当年已不可同日而语，在这样的一个全球化时代，美国再也承受不起排斥外资的后果。
That has changed, and the downside of being immersed in the global economy — and being a debtor to boot — is that we can't afford the luxury of rejecting foreign buyers.
现在地中海的葡萄种植者都纷纷北迁躲避不利于葡萄生长的炎热气候，他们可能需要到近来气候变得温和的英国寻找灵感了。
Now, as Mediterranean grape-growers move north to escape the unseasonable heat, they may need to look to newly-temperate Britain for inspiration.
虽然这个结论还不成熟，但是在全球气候模型上的实验却表明，北半球的风暴路径会北迁，高纬度地区的暴风雨次数会增加。
Although the conclusions are preliminary, global climate models suggest that in the Northern Hemisphere, storm tracks should migrate northward, bringing more gusty storms to higher latitudes.
虽然这个结论还不成熟，但是在全球气候模型上的实验却表明，北半球的风暴路径会北迁，高纬度地区的暴风雨次数会增加。
Although the conclusions are preliminary, global climate models suggest that in the Northern Hemisphere, storm tracks should migrate northward, bringing more gusty storms to higher latitudes.
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