It's well known that a large meteorite hitting the earth would not be good news, as it would cause earthquakes, tsunamis and firestorms.

据英国《每日邮报》11月7日报道，众所周知，大型陨石撞击地球可不是什么好消息，因为它会引发地震，海啸以及大火。

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It is well-known that the detachment condition for conical shock wave is a necessary condition on which whether a prediction is valid or not can be examined theoretically.

我们知道，理论上能检验脱体波计算合理与否的必要条件是圆锥激波脱体条件。

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It is not impossible, a local administrative regulations may not be so well known, this is worrying, it seems that the grass-roots law popularization of education, there are still many blind spots.

这不是没有可能，一个地方行政法规或许并不那么广为人知，这正是令人担心的，看来基层的普法教育还存在不少盲点。

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It may not be surprising that well-known urban centers like New Orleans, Baltimore, and San Francisco appear on the Forbes list of cities dealing with the worst drug problems in the nation.

FORBES: Magazine Article