Beginner Level Advanced Level
Oxford Topics
Content
echo ☊ dư âm ☊
echo ☊ hồi thanh ☊
echo ☊ tiếng dội ☊
echo ☊ tiếng vọng ☊
Echo ☊ Echo ☊ < 5.18 Nachahmen
Echo ☊ Widerhall ☊ < 5.18 Nachahmen
Echo ☊ Nachklang ☊ < 7.29 Widerhall
echo ☊ hallen ☊ < 7.29 Widerhall