2. 职称英语
  3. The United States calls for some countries to research the bionics since 1960. [

The United States calls for some countries to research the bionics since 1960. [

游客2023-08-02  50
问题 The United States calls for some countries to research the bionics since 1960. [br] Bionicists do research on the unique quality of owls’ sensitive heating and engage in designing ______.
选项
答案 sensitive mechanic ears for listening to enemy sonar
解析 文章第十四段最后一句话指出"…those engaged in designing sensitive mechanic ears for listening to enemy sonar…"设计敏感性听觉系统探测敌人的声呐装置，由此可知此处该填sensitive mechanic ears for listening to enemy sonar。
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