英语词汇calls upon怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	calls upon
释义	calls upon
随便看	coordination compund coordination contour Coordination contour. coordination control coordination cost coordination covalency coordination covalent bond Coordination disorder Coordination Disorder,Developmental Coordination distance. coordination distance coordination drawing coordinationed distance coordination effect coordination equation coordination exception coordination exercise coordination formula coordination function Coordination games coordination gap coordinationg system Coordination Impairment Coordination Impairments coordination importance