白天鹅有细长的脖子是一种优雅的鸟。
The white swan is a large graceful bird with a long thin neck.
它有一个大的椭圆形的头是很容易一样大的机构在一根细长的脖子。
It had a large oval head that was easily as large as its body atop a spindly neck.
由于它们只用脖子就能完成大部分觅食动作，全身上下，除了细长的脖子外，其他地方都很肥大。
With just the neck probably doing most of the maneuvering and work, it's no wonder that these dinosaurs wound up so fat, save for their long skinny necks.
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