speed bump
短语减速带（等于sleeping policeman）
发音
其它
词形变化
speed bumps
复数
speed bumps
别名
speedbump
释义与例句
n.
-
1.
A traffic calming measure, consisting of a transverse ridge in the road, to limit the speed of vehicles.
减速带
-
2.
An obstacle or difficulty; roadblock; snag.
比喻 -
3.
Any technical measure taken by an electronic financial exchange to deliberately delay orders by microseconds or milliseconds.
商务 金融