object-glass

英 ['əbdʒektɡl'ɑːs] 美 ['əbdʒektɡl'ɑːs]

• n. 物镜

英英释义

名词 object glass:

1. the lens or system of lenses in a telescope or microscope that is nearest the object being viewed

例句

用作名词 (n.)

1. The object glass of a telescope must be accurately centred.
   望远镜的物镜必须精确置于中心上。