true vocal cord

例句：

1. 1. The truevocal cords are responsible for producing thesound of speech.
   真正的声带负责产生说话的声音。
2. 2. The doctor examined the patient's true vocal cords to determine thecause of his hoarseness.
   医生检查了病人的真声带，以确定他沙哑的原因。
3. 3. The singer's falsetto is achieved byusing a special technique that involves manipulating the true vocal cords.
   歌手通过使用一种特殊的技巧来控制真声带来实现假声。