名词
中文翻译：车辆扶手
同义词：
['carrying board', 'seat rail', 'grab bar']
例句：
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1.The driver needs to keep his hands on the steering wheel while driving.
驾驶员在驾驶时需要把手放在方向盘上。
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2. The car had a new carrying board installed in the back.
这辆车后部安装了一个新的扶手。
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3. She climbed onto the running board and started walking towards the door.
她爬上了扶手，开始向门走去。