Pride and Prejudice
Volume 3 (p233~367)
McDougal Littell Science
Wave, Sound, and Light (p45~57)
2.2 Frequency determines pitch
2.3 Intensity determines loudness
1/21~2/3
Pride and Prejudice
Volume 3 (p233~367)
McDougal Littell Science
Wave, Sound, and Light (p45~57)
2.2 Frequency determines pitch
2.3 Intensity determines loudness
1/21~2/3
[14기]1월 둘째주 '중고등자주반' 시작해요
MTH#4 Pirates Past Noon
[3기]SS반 -- 열두번째
SA #2 - Renoir - Paintings that smile