erratically
adv. 不规律地；不定地；飘忽不定地，不稳定地
近义词：intermittently，unsteadily，fitfully，irregularly，unevenly，inconsistently，unpredictably，
英英释义
Adverb
- in an erratic unpredictable manner;
"economic changes are proceeding erratically"
例句
用作副词(adv.)
- Beacuse of trafficc jam, the car is moving erratically and slowly.由于交通堵塞，公交车不规律地向前移动，而且速度非常的慢。