With this new impetus, engineers and start-up companies have jumped at the challenge, and while beamed power is still in its infancy, three viable options seem to be emerging.

有了新的动力，众工程师和创业公司跃跃欲试，纷纷加入挑战。目前光束电力仍然处于起步阶段，有可能出现三种技术选择。

youdao

It says that while more American consumers are comfortable downloading apps and using them on their phones, the trend appears to be in its infancy.

其中说到虽然越来越多的美国消费者学会了轻松地下载并在手机上运行应用程序，但这一潮流仍然处于萌芽阶段。

youdao

Some people, by nature, are less upset by changes and surprises -- this can be observed in infancy and tends to be stable throughout one's lifetime.

有些人天生对改变和突然发生的变故情绪变化较小，这一点在年幼的时候就可以看出来，并且会在成长过程中渐渐稳定下来。

youdao

The 2013 season may be in its infancy but the 14-time major winner has started in irrepressible form, winning three of his five tournaments -- after triumphing at Doral earlier this month and at Torrey Pines in January.

CNN: Woods back on top of the world

Deposits in Greek and Spanish banks dropped, suggesting a bank run could be in its infancy.

FORBES: Facebook To Debut As Apple Drags Markets Lower

Unless stopped by regulatory constraints, this expansion may only be in its infancy.

FORBES: The Real Winners Of The Global Economy: The Material Boys