But it could be a precursor to an ESA shuttle, capable of transporting crews to the International Space Station (which orbits around 220 miles up) or perhaps other destinations.

但是它将是ESA飞船的先驱，将有能力给国际空间站(ISS，其轨道220英里上下)或其他目的地运送人员。

youdao

“It will be a challenge to know when restlessness becomes a precursor to eruption, and a bigger challenge yet to predict the scale of a coming eruption, ” says White.

White说：“得知何时火山的不稳定成为喷发的前兆是一项挑战，而更大的挑战在于预测即将到来的喷发规模。”

youdao

It is suggested that the dynamic pattern method could completely and directly show the anomaly characteristic in Radon precursor and be a new method of Radon analysis for the earthquake prediction.

表明动态图像方法能较完整、直观地揭示水氡前兆异常的特征，可望成为一种水氡分析预报的新方法。

youdao

Being aware of social engineering is important, of course, because it can be the precursor for a sophisticated attack meant to breach the wall of your organization.

FORBES: The Biggest Cybersecurity Threats of 2013

Akbar is being held at Camp Pennsylvania in Kuwait is sending shockwaves through the national security community for another reason, though: It could be the precursor for a far larger and more dangerous problem, both for the military and for American society more generally.

CENTERFORSECURITYPOLICY: The fifth column syndrome

The sweet corn we eat for dinner would be a shriveled gray precursor called teosinte were it not for the activity of a handful of genes.

FORBES: Magazine Article