eye.piece

eyepiece的音标和读音：
DJ音标发音： [ˈaiˌpi:s]
KK音标发音： [ˈaɪˌpis]

eyepiece的词性：
n.（名词）

1. The lens or lens group closest to the eye in an optical instrument; an ocular.Also called eyeglass
目镜：光学仪器中靠近眼睛的透镜或透镜组；窥孔也作 eyeglass