He sat at the desk,collar off,head down,and pen in position.
问题描述：
He sat at the desk,collar off,head down,and pen in position.
在这句话中pen in position
答
in position意思是在合适的位置
联系上文翻译为：他坐在桌边,衣领敞开着,低着头,抓好了笔