n.可取下的尾板；（汽車）后擋板
Heavy cargoes on the tailboard might slip off. 重物放在尾板上時，有向后方滑下的可能。
Since the tailboard of the car was seriously broken, he was stopped by the traffic policeman. 由于汽車尾牌破損嚴(yán)重，他被交警攔了下來。
