The fastest way to board a plane, according to mathematics - Rachel Yang
级别 C1 · 41 句 · 5:57 · TED-Ed
逐句听 The fastest way to board a plane, according to mathematics - Rachel Yang，输入你听到的内容，每个词都会得到批改。
级别 C1 · 41 句 · 5:57 · TED-Ed
逐句听 The fastest way to board a plane, according to mathematics - Rachel Yang，输入你听到的内容，每个词都会得到批改。