Why we sound different in a foreign language? 为什么说外语时，我们的声音听起来不像自己？ 文字稿 You've been learning a second or a third language for a long time now, and finally decide to use it in a real conversation to ...

本集内容. Rubik's Cube fans go head-to-head at 'speedcubing' event 魔方爱好者在 “魔方速拧赛” 中一决高下. 文字稿. Tymon, World record-holding cuber "I ca ...