你能彎下腰、不屈膝摸著你的足趾 嗎 ?Can you bend down and touch your toes without bending your knees?這個(gè)曲調(diào)一響起,我們的足趾也跟著擺動(dòng)起來.The tune set our toes twinkling.陸棲食肉動(dòng)物的前后肢上都長有四個(gè)或五個(gè)帶爪的足趾.Terrestrial carnivores have four or five clawed digits on ...