每日口說挑戰 【TED-Ed】為什麼聲音會隨著年紀增長而改變？ (Why does your voice change as you get older? - Shaylin A. Schundler)

今日挑戰句子

These layers add nuance and depth to the voice, giving it a distinct timbre that sets it apart from its pre-pubescent tones.

這些層次增加了聲音的層次和深度賦予它獨特的音色， 有別於青春期前的音調。