这个状态可能不会保持很长时间。

They may not stay that way much longer.

youdao

但是不会保持很长时间。

Not for a long time, though.

youdao

当被击打的时候，音叉会发出近乎纯净的音调，其音高会保持很长时间。

When it is struck, a tuning fork produces an almost pure tone, retaining its pitch for a long period of time.

youdao

Cells can stop in their lifetime at some point in the cell cycle and persist for long periods of time.

细胞生命期可以停止在细胞周期的某个点,并保持很长时间

耶鲁公开课 - 生物医学工程探索课程节选