n.双层公寓；联式房屋
adj.双倍的；复式的；[计] 双方的
Would you like a duplex or a mobile home? 你想要双层楼公寓还是活动房屋?
With your large family, renting a duplex might be just what you need. 像你这样的大家庭，租套两层楼的公寓正好。
全双向的
n.〈计〉半双工
