erratically的意思？

erratically的音标：erratically的英式发音音标为：[ɪ'rætɪklɪ]erratically的美式发音音标为：[ɪ'rætɪklɪ]...

The aircraft bumped along erratically without gathering anything like sufficient speed.飞机忽上忽下，飞行很不平稳，根本未达到应有的速度。Police stopped him for driving erratically.警察因其驾驶不循规则而把他拦下了。Magnetitite - bearing plugs are found erraticall...