请输入您要查询的英文单词：
单词
ˈspeed ˌbump
释义
ˈspeed ˌbump
NOUN
C
1
a raised area across the width of a road that forces drivers to drive more slowly （道路上的）减速带，减速垄
2
MAINLY AMERICAN
informal
anything that makes progress slower 减慢进程的障碍物