Why do ラ (ra), リ (ri), ル (ru), レ (re) and ロ (ro) sometimes sound like they begin with a /d/ sound? And why are they used sometimes for an /l/ sound?

Your browser doesn’t support HTML5 video

أَرْسِلْ رِسَالَة

دُرُوس ذَاتُ صِلَةِ

فِيدْيُوهَات ذاتُ صِلَة

What are some cool ways that young people might greet their friends besides the usual "ni hao"?
XoKo Yu
Introduction: Sen Shi
Sen Shi
Introduction: Stephanie Sun
Stephanie Sun
Why do ラ (ra), リ (ri), ル (ru), レ (re) and ロ (ro) sometimes sound like they begin with a /d/ sound? And why are they used sometimes for an /l/ sound?
Yuuki Takanishi
Introduction: Diana Deborah Tang Chew Tze
Diana Deborah Tang Chew Tze
What is the difference between とうも (doumo) and ありがとう (arigatou)?
Yuuki Takanishi
Simple Introduction of Counting in Chinese
Chumei P
How do you say "I will miss you a lot" in Chinese?
XoKo Yu
中文