名词
中文翻译：四轮驱动车
同义词：
['quad', 'quadricycle例句：1. The quadcopter is a small drone that can fly in the air.（四旋翼无人机是一种可以在空中飞行的小型无人机。）']
例句：
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1. The quadcopter is a small drone that can fly in the air.
四旋翼无人机是一种可以在空中飞行的小型无人机。
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2. He bought a new quad bike for his son's birthday.
他给儿子的生日买了一辆新的四轮自行车。
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3. Quad bikes are great for exploring nature trails and mountain biking.
四轮自行车非常适合探索自然小径和山地骑行。