每一个镜片包含一片校正过距离的外镜和一片可变焦的内镜。

Each lens consists of an outer lens with a corrective distance prescription, and a flexible inner lens.

youdao

每一个镜片包含一片校正过距离的外镜和一片可变焦的内镜。

Each lens consists of an outer lens with a corrective distance prescription, and a flexible inner lens.

youdao