seasonal migration
常見例句
- 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.
陪同我們到來的向?qū)е盘枠尯瞳C槍,他們在雪地上搜尋著北極熊的蹤跡,這里正處在北極熊季節(jié)性遷移的路線上。 - 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.
環(huán)志是研究鳥類季節(jié)性遷徙的重要手段之一,同時也是研究鳥類區(qū)系、生態(tài)學(xué)、形態(tài)分類學(xué)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.
他們的生活方式類似于半游牧,而且甚至還跟獵物遷徙和特定果實(shí)的成熟季節(jié)有關(guān))。 - Remoteness and seasonal migration for work are others.
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