And there is more to learn. Jonathan Rottenberg says the science of crying is still in its infancy.

VOA: special.2009.01.28

Further, the significance of Moses is hinted at through literary allusions in the narrative of his birth, his infancy.

而且，摩西的重要性也有被暗示,在对他出生和婴儿期叙述中。

耶鲁公开课 - 旧约导论课程节选

because we're still sort of in the infancy of everything.

因为我们还是在发展的初期。

重建社团小组 - SpeakingMax英语口语达人

Dr.Martin says,by monitoring the progress of multiple patients from infancy through adulthood, doctors can gather crucial evidence about the effectiveness of the procedures."

VOA: standard.2010.01.01

It's one of the purposes of this poem to allow Milton to grow out of his infancy, to incarnate or to put actually into words the talent that he believes himself to possess.

还有一个目的就是,使弥尔顿自己不断成熟，把他相信自己所拥有的,天赋变为文字。

耶鲁公开课 - 弥尔顿课程节选

The Sonex and Sikorsky projects are two examples in a growing field of innovation in electric powered flight - most in their infancy.

VOA: standard.2010.08.11

Positive psychology, the field of health psychology is in infancy.

积极心理学，健康心理学的研究还处于初级阶段。

哈佛公开课 - 幸福课课程节选