The ground surface subsides discontinuously and rock mass fails slowly in the mine.东区现有地表下沉属于不连续下沉,岩层破坏主要是缓慢型破坏....

adv.不连续地，间断地...

discontinuously的音标：discontinuously的英式发音音标为：[dɪskən'tɪnjʊəslɪ]discontinuously的美式发音音标为：[dɪskən'tɪnjʊrslɪ]...