buckle arrestor

例句：

1. 1. The car's dashboard has a buckle arrestor to prevent the driver from accidentally releasing the seat belt.
   汽车的仪表盘有一个扣件，以防止司机不小心松开安全带。
2. 2.The policeman used his buckle arrestor to secure the suspect's hands before he could escape.
   警察用他的扣件将嫌疑人的手固定住，以防他逃跑。
3. 3. The engineer tested the buckle arrestor of the new safety harness system to ensure it would work properly in all situations.
   工程师测试了新的安全带系统的扣件，以确保在所有情况下都能正常工作。