frontadadv.向前;朝前
frontn.正面;前面;前线;【气象学】锋vt.朝向;面对;对付vi.面朝;掩护adj.前面的
front back logic前后级逻辑
front desiccator前置式干燥器
front bang lying面向顺械卧悬垂
front draft zone前牵伸区
front windshield前挡风玻璃
front spot light前注光
front bumperette前防撞装置
front attachment前粘接
front desk clerk柜台人员
front slip angle前轮滑移角