用法:
1 with an uneven surface 表面不平的; 崎岖不平的:
a bumpy road, track, etc 不平的路面、跑道等.

用法:
2 causing jolts 引起颠簸的:
a bumpy ride, flight, drive, etc 颠簸的乘行、飞行、驾驶等.

• decision
• decisive
• declaim
• declamation
• declaration
• declare
• declassify
• declination
• decline
• declivity
• decode
• decompose
• decomposition
• decontaminate
• decorate
• decorative
• decorous
• decorum
• decoy
• decree
• decrepit
• decrepitude
• decry
• dedicated
• dedication