seasonal migration

常见例句

双语例句

• We are accompanied by guides armed with flash pistols and hunting rifles, scanning the snowfields for polar bears for whom this is a seasonal migration route.
  陪同我们到来的向导带着信号枪和猎枪，他们在雪地上搜寻着北极熊的踪迹，这里正处在北极熊季节性迁移的路线上。
• Bird banding is one of the important means to research the seasonal migration of birds, and is an effective method in researching the faunas, ecology and morphology of birds.
  环志是研究鸟类季节性迁徙的重要手段之一，同时也是研究鸟类区系、生态学、形态分类学等的有效方法。
• Their lifestyle is semi-nomadic, and the movements are somewhat seasonal, having to do with the migration of some prey animals, and the gathering of certain plants and fruits.
  他们的生活方式类似于半游牧，而且甚至还跟猎物迁徙和特定果实的成熟季节有关)。

权威例句

• Remoteness and seasonal migration for work are others.
  UNESCO: All Events United Nations Educational, Scientific and Cultural Organization
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