Don't be compulsive about things like cleaning lenses and mirrors or the organization of your observing notebook.

不要感到被迫去清洁物镜或是去整理观测笔记。

youdao

Don't be compulsive about things like cleaning lenses and mirrors or the organization of your observing notebook.

不要感到被迫去清洁物镜或是去整理观测笔记。

youdao