single eyeglass的意思|示意
美 / ˈsiŋɡl ˈaɪˌglæs /
英 / ˈsɪŋɡəl ˈaɪˌɡlæs /
单眼镜，镜片
single eyeglass相关例句
The observation lens is the single-tube visual lens, eyeglass is made of a concave lens, and the inner part of a lens tube is provided with a visual distance increasing device.
所述的观测镜是单筒目视镜，目镜用凹透镜制成，镜筒内部设有视距增长装置。