hiyaint.你好！hiint.嗨(引人注意时的喊声；打招呼)Hi. Long time no see（嗨，好久不见了。）hidden surface removal隐藏面消除Hi-frequency welding高频焊接hibiscus schizopetalus拱手花篮Hi-Speed Plus Series高速脉冲序列hi -tech corporation高科技企业Hidradenitis axillaris腋窝汗腺炎hi-ex foam generator高膨胀泡沫发生器灭火装置hi-efficient process高效工艺hilar cholangiosarcoma门胆管肉瘤