straight muscle of thigh
/ˈstɹeɪt ˈmʌsəl ɒv ˈθaɪ/
n
English · straight muscle of thigh中文 · 股直肌Español · recto anteriorFrançais · droit antérieur de la cuisse
意味：Powerful muscle enabling the knee to extend and the thigh to flex on the pelvis.