irregular
US /ɪˈreɡ.jə.lɚ/
UK /ɪˈreɡ.jə.lɚ/

1.
不規則的, 不平坦的
not even or regular in shape, arrangement, or distribution
:
•
The coastline is very irregular, with many coves and inlets.
海岸線非常不規則,有許多海灣和入口。
•
He has an irregular heartbeat.
他有不規則的心跳。
不規則的, 不平坦的
not even or regular in shape, arrangement, or distribution