Jentschke of the Deutsches Elektronen Synchrotron (DESY) about the possibility of doing a pair production experiment at Hamburg.是什么意思_Jentschke of the Deutsches Elektronen Synchrotron (DESY) about the possibility of doing a pair production experiment at Hamburg.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句