1) Birds learn to fly by instinct.
鸟学飞出自本能。
2) Birds have the instinct to learn to fly.
鸟有飞的本能.
4) Fledgling
[英]['fledʒlɪŋ] [美]['flɛdʒlɪŋ]
出飞后幼鸟
1.
Fledglings became independent when self-foraging was energetically more profitable than begging food from the parents, whilst parents significantly reduced the meal mass delivered to the fledgling when the fitness increment from new nesting exceeded that from attending their current young.
为了解答这些问题,从2007年到2008年间,我们在中国南海西沙群岛的东岛上,深入研究了红脚鲣鸟(Sula sula)的亲鸟对幼鸟的照料,出飞后幼鸟觅食能力的形成以及幼鸟独立的最终动因。
5) The ostrich cannot fly.
鸵鸟不能飞。
6) viscerogenic desires
出自本能的欲望
补充资料：出自
1.出于。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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