noun🔗Share防滚架，翻滚保护架 A strong U-shaped bar fastened to the frame of a vehicle, such as an off-road vehicle or a race car to protect the driver and passengers from being crushed in the event that the vehicle rolls over."The off-road jeep had a strong rollbar to protect the driver if it flipped over on the rocky terrain. "那辆越野吉普车上装有一个坚固的防滚架，可以在崎岖地形上翻车时保护驾驶员。vehiclepartmachinetechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share防倾杆，平衡杆 An anti-roll bar."The sports car had a strong rollbar behind the seats for safety during races. "这辆跑车在座椅后方安装了坚固的防倾杆，以确保比赛时的安全。vehicletechnicalmachineChat with AIVocabulary GamePractice Reading
