semitrailer
n. 半拖车；双轮拖车
例句
Small semitrailer and tractor.
小型半挂车和牵引车。
Small semitrailer and tractor. Angle of trailer is adjustable.
小型半挂车和牵引车。可调整挂车转角。
Large semitrailer and tractor. Angle of trailer is adjustable.
大型半挂车和牵引车。可调整挂车转角。
