The plume traveled to continental Europe, grounding flights around the world for days, due to fears of ash clogging plane engines. (Find out more about the risks volcanic ash poses to airplanes.)

由于担心漂浮的火山灰可能阻塞飞机引擎，横贯欧洲大陆的火山灰流让途径欧洲飞往各地的航线被纷纷滞留。

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This is why grounding allows the body to feel safe and be safe from accidents of any kind upon the physical plane.

这是为什么根植让身体觉得安全，并免于在物理层上遭受任何事故的原因。

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The plume traveled to continental Europe, grounding flights around the world for days, due to fears of ash clogging plane engines. (Find out more about the risks volcanic ash poses to airplanes. )

由于担心漂浮的火山灰可能阻塞飞机引擎，横贯欧洲大陆的火山灰流让途径欧洲飞往各地的航线被纷纷滞留。

youdao

Investigators and Boeing have provided no guidance on when the 787 might be cleared to re-enter service, and some carriers have contingency plans for an extended grounding of the plane.

WSJ: Air India Flew Boeing 787s After 'Grounding'

For many of the thousands of employees at Boeing and United who saw their futures tied to this plane, the grounding order was more than a little unnerving.

CNN: Can the 'game-changer' still live up to its name?

The plane's grounding on Jan. 16, an enormous black eye for Boeing, marked the first time since 1979 that FAA had ordered every plane of a particular type to stay out of the air for safety reasons.

NPR: FAA Approves Resumption Of Boeing 787 Flights