high gear高速挡； 活跃的状态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 iron zinc sulphide concentrate高铁硫化锌精矿high-nitrogen energetic materials高氮含能材料High-pressure steam sterilization高压蒸汽灭菌High Performance Underwater Vehicle高性能潜水器high manganese steel bonded carbide高锰钢结硬质合金high-voltage resonance controller高压谐振控制器high-electron mobility transistor高电子迁移率晶体管High temperature polymer composites耐高温聚合物基复合材料high early strength portland cement高快固波特兰水泥High-voltage distribution station高压配电站