prop up a roof的意思|示意
美 / /
英 / /
撑起屋顶
prop up a roof的网络常见释义
撑住屋顶 ... prop up a roof;撑住屋顶 hold one's chin in one's hands;两手撑着下巴 Four pillars support the ceiling.四根柱子撑着顶篷。 ...