He drew a key and it changed into a real key.

他画了一把钥匙，它变成了一把真正的钥匙。

youdao

This is the real key for toning the muscles of your arms, shoulders, and legs.

这才是达到瘦臂、瘦肩和瘦腿的真正秘诀。

youdao

The real key to increasing conversion rate is to keep experimenting and keep doing tests.

转化率优化真正的核心是持续尝试，不断测试。

youdao

Guys that have been to the World Cup before and have become real good leaders, some younger players that have played key roles throughout qualifying, some new players that came in late but still bring enthusiasm.

VOA: special.2010.06.09

But a real key in looking at these plots is where we, in fact, did go through zero and have this zero probability density.

是我们经历这些零值,而且有这些零概率密度,我们把它叫做节点。

麻省理工公开课 - 化学原理课程节选

And because the key component of solar cells is an expensive, highly purified form of silicon, there's a real economic benefit to this design.

VOA: standard.2010.02.19

But here is the real key: it is almost all freight .

FORBES: Shifting Capital From the Productive to the Sexy

But the real key to the merger is US Airways' comprehensive service to small cities along the East Coast.

WSJ: Little overlap in American, US Airways routes

But perhaps the real key to winning over the palates of their customers lies in Five Guys customization model.

FORBES: Five Guys Voted America's Favorite Burger Chain, McDonald's Trails Near Bottom