单词	horizontal line of sight
释义	horizontal line of sight 水平视线
随便看	pedagogic algorithm language pedagogical grammar pedagogical heritage pedagogical idea pedagogical implication pedagogical innovation pedagogical institute pedagogical instruction by correspondence pedagogical knowledge pedagogical knowledge structure pedagogical knowledge structure assessment pedagogical laboratory pedagogical library pedagogical linguistics pedagogical literature pedagogical log pedagogical study room pedagogical tact pedagogical tasks pedagogical teaching pedagogical teaching material pedagogical teaching methods pedagogical technicum pedagogical techniques pedagogical theory