He says it is quite simple to find the instructions needed to build a parabolic or laser microphone on the web.

他说，在网上寻找创建抛物型或者激光麦克风所需的操作指南是件非常容易的事情。

youdao

He says it is quite simple to find the instructions needed to build a parabolic or laser microphone on the web.

他说，在网上寻找创建抛物型或者激光麦克风所需的操作指南是件非常容易的事情。

youdao