rumble strip

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈrumble ˌstrip noun [countable]  a number of raised lines across a road which make a loud noise when you drive over them to warn you to slow down 震动带，隆声带〔路面的隆起带，车辆驶过时会发出声响，以提醒司机减速〕

ˈrumble ˌstrip nounChineseSyllable  

rumble strip
ˈrumble ˌstrip noun [countable]
a number of raised lines across a road which make a loud noise when you drive over them to warn you to slow down

rumble stripBrE /ˈrʌmbl strɪp/ 🔊NAmE /ˈrʌmbl strɪp/ 🔊 noun (informal) a series of raised strips across a road or along its edge that make a loud noise when a vehicle drives over them in order to warn the driver to go slower or that he or she is too close to the edge of the road 齿纹震动带（路面的隆起带，车辆经过时发出很大响声，提醒司机减速或不要太靠近路边）