high dayn.节日highadj.高的；高尚的；高级的；高度的；全盛的adv.高；奢侈地；音调高n.高水平；高气压；（麻醉品带来的）快感high-clearance tractor高地隙拖拉机high speed hacksaw blade高速钢锯条high speed belt conveyor高速胶带机high-quality workforce高质量劳动力high-frequency Q meter高频Q表high purity RE materials高纯稀土金属high current MAG welding大电流MAG焊High-Tc superconductor高温超导体high impact polyethylene耐冲击性聚乙烯high-foaming detergent高泡洗涤剂