4周搞定2000+托福核心词
nest = nest(筑巢) =
nest = nest(筑巢) =
ling = ling(小东西) = 孵化的小动物
seedling = seed(种子) + ling(小东西) = 小种子，幼苗
鸟巢里的小东西→刚孵出的雏
nestling
常考释义
Therefore, a begging nestling that secures food at the expense of its siblings might actually leave behind fewer copies of its genes overall than it might otherwise.
因此，一个乞讨的雏鸟为了确保自己的食物而以牺牲自己的同胞为代价，事实上可能会留下自己更少的基因（来得以繁殖）。
来源于：阅读OFFICIAL11 P3n. 留巢雏【动】
She fluttered around me like a mother bird at her nestlings.
她在我身边忙来忙去，就好像鸟妈妈在对鸟宝宝一样。
Therefore, a begging nestling that secures food at the expense of its siblings might actually leave behind fewer copies of its genes overall than it might otherwise.
因此，一个乞讨的雏鸟为了确保自己的食物而以牺牲自己的同胞为代价，事实上可能会留下自己更少的基因（来得以繁殖）。
来源于：阅读OFFICIAL11 P3A classic example is noisy begging by nestling songbirds when a parent returns to thenest with food.
一个典型的例子就是歌鸟的雏鸟在它们的父母带着食物归巢时吵闹的乞食行为。
来源于：阅读OFFICIAL11 P3n. 幼儿；幼小的动物
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