조국당 “국힘 서명옥, 피켓으로 이해민 얼굴 가격”
"For a long time, roboticists have used DC [direct current] motors to make robots move," says Mike Tolley at the University of California San Diego.，详情可参考heLLoword翻译官方下载
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Additional reporting by Usman Zahid and Mahfouz Zubaide