charcoal l tin-plate厚锡层镀锡薄钢板
Steel L-Plate铁三角
L-shape plateL形钢板
an L- plate一块“练习驾驶”车牌
L-connecting plate左连接板总成
an L-plate一块“实习驾驶”车牌
L-shaped plateL形板
l-trapezoid platel形钢板
L-form locating plateL型定位板
N（名词） a white rectangle with an "L" sign fixed to the back and front of a motor vehicle; a red "L" sign is used to show that a driver using it is a learner who has not passed the driving test; a green "L" sign may be displayed by new drivers for up to a year after passing the driving test L字牌 [英国英语]