单词	return air fan
释义	return air fan回風機機械工程
随便看	to leap over to leap over a pit of fire to leap over a wall to leap over the forms to leap over, to overstep as steps, orders &c. to leap over, to overstep, as steps, orders, &c. to leap up to learn about to learn a lesson to learn and practice to learn arithmetic to learn assiduously to learn boxing to learn by a communication to learn by experience to learn by hear-say to learn by heart to learn by imitation to learn by practice to learn by proof to learn by rote to learn diligently to learn tactics to learn to box to learn to perfection