the ability to identify or sing a musical note correctly without the help of an instrument 绝对音高，绝对音感（指不须借助乐器准确识别或唱出音符的能力） Having perfect pitch means that I can hear a note and tell you that it's a G, or a B flat or whatever. 拥有完美的音调意味着我可以听到一个音符，并告诉您它是G或B或其他。