But this sudden flood was not of long duration.

但这场突如其来的洪水持续时间并不长。

Mr Hume frequently takes notice of the inability of the ancient kings of England to carry on, without interruption, any foreign war of long duration.

休谟先生经常注意到古代英格兰国王无法不间断地进行任何长期的对外战争。