In this sentence

①a dedicated sthadj.专用的；专门用途的

Synonymsexclusive, specialized, designated

句中 dedicated 修饰名词 place，表示“专用的空间/地方”，特指为特定目的（在此处指提供上下文环境）而专门设立或保留的，因此是“专用的”之意。

• True mastery requires a dedicated space where the mind can focus without distraction.真正的精通需要一个专用的空间，让心灵能够心无旁骛地专注。

②sb be dedicated to (doing) sthadj.致力于…的；尽心竭力的

Synonymscommitted, devoted, loyal

• Those who are crazy enough to think they can change the world usually do, because they are dedicated to doing it.那些疯狂到以为自己能改变世界的人往往能做到，因为他们全心致力于此。