词汇	hilly road
释义	hilly road 山路
随便看	single tier dryer single tier equipment single-tier exchange system single tie rod single tier rhombic antenna single-tier rhombic antenna single-tiers single tie-up single tilting permanent magnetic chuck single time estimate single-time-lag single time lag servo single-time-lag servo single-time measurement Single time point Single time series single time-shared system single-time-window single timing axis singlet interaction Single tip single tipping-bucket rainfall sensor single tire single title single title selecting device