It was upon this principle that the first instruments were made, but while the drum was being shaken, the line that the pen was drawing wriggled from side to side.是什么意思_It was upon this principle that the first instruments were made, but while the drum was being shaken, the line that the pen was drawing wriggled from side to side.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句