大多数的鸟类不得不飞行很长的距离进行迁徙。
鸟类在长途迁徙飞行之前，会用大量的食物喂肥自己。
Birds will fatten themselves with heavy feeding in advance of a long migrational flight.
在图书馆我挑选了这些书籍：《鸟类的迁徙》，《城市的结构》，还有一本，最让我兴奋不已：《钟楼里的蝙蝠：怪异建筑快乐的召唤》。
I pick them up at the library: Migration Habits of Birds, Urban Structures, and one that I was particularly excited about: Bats in the Belfry: a Joyous Evocation of Architectural Eccentricity.
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