What if you didn’t brush your teeth for a year? - Justin Merritt
级别 C2 · 39 句 · 5:30 · TED-Ed
逐句听 What if you didn’t brush your teeth for a year? - Justin Merritt，输入你听到的内容，每个词都会得到批改。
级别 C2 · 39 句 · 5:30 · TED-Ed
逐句听 What if you didn’t brush your teeth for a year? - Justin Merritt，输入你听到的内容，每个词都会得到批改。