Why is it so easy for birds to spread illness? - Benjamin Anderson
级别 C1 · 43 句 · 6:30 · TED-Ed

逐句听 Why is it so easy for birds to spread illness? - Benjamin Anderson,输入你听到的内容,每个词都会得到批改。
级别 C1 · 43 句 · 6:30 · TED-Ed

逐句听 Why is it so easy for birds to spread illness? - Benjamin Anderson,输入你听到的内容,每个词都会得到批改。