bumpy

形容词 bumpy:

1. causing or characterized by jolts and irregular movements
   同义词：rough, rocky, jolty, jolting, jumpy
2. covered with or full of bumps

1. The car bounced along the bumpy mountain road.
   汽车在崎岖的山路上颠簸行驶。
2. The poor suspension gives a rather bumpy ride.
   因悬挂装置性能差，行驶时很颠簸。
3. We braced ourselves for a bumpy landing.
   我们已做好准备，著陆时会很颠簸。
4. A bumpy country road.
   一条崎岖不平的乡村小路

bump.y

adj.（形容词）
bump.i.er,bump.i.est
Covered with or full of bumps:
崎岖不平的：布满障碍物的：
例句：
a bumpy country road.
一条崎岖不平的乡村小路

Marked by bumps and jolts; rough:
颠簸的：颠簸的，起伏的；艰难的：
例句：
a bumpy flight.
一次颠簸的飞行

【引伸】
bump.ily
adv.（副词）
bump.iness
n.（名词）