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.
“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.
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.
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.
任何一种鸫科迁徒鸟类的上部羽毛通常为褐色。
Any of migratory songbirds of the family Turdidae usually have brownish upper plumage.
夜晚来临，黑色的蝙狐翻飞翩迁。
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.
植物群减缓气候变化，30亿迁鸟在此繁衍生存。
Its flora help to slow climate change and it is a breeding ground for 3 billion migratory songbirds.
比索贬值通常也会促使更多美国企业向墨西哥南迁。
This might normally prompt more American firms to move south of the border.
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.
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.
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.
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.
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.
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.
大部分的难民将只是静观其变，期望他们不用迁返直到缅甸真正能有所改变。
Most refugees will just have to sit tight, hoping they won't have to return until real change comes to Myanmar.
奥巴马的外祖父母出生于堪萨斯，在定居夏威夷前漂过4个州(奥祖4迁啊)。
Born in Kansas, Obama's maternal grandparents lived in four states before settling in Hawaii.
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.
新的研究任务阿纳萨奇人分散化了；舍弃复杂的建筑，迁向更小的居住点以利用有限的水资源。
New research suggests that the Anasazi dispersed; abandoning the intricate buildings and moving towards smaller settlements to utilize the limited water that existed.
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.
但卡布拉尔教授不会是最后一位：未来几年内，这家西班牙商学院的许多教员都将迁驻到这里来。
But Prof Cabral will not be the last: a dozen faculty members from the Spanish business school will move there over the next few years.
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.
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.
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