光圈的作用是()
参考答案:控制镜头透光多少
Because he didn't finish the work on time and was fired by the company, he was very ______ about it. [ ]
A. upset
B. worrying
C. anxious
D. nervous
伸和外旋髋关节()
A.缝匠肌
B.股四头肌
C.大收肌
D.阔筋膜张肌
E.臀大肌