uppermost
adjective, adverb uk/ˈʌp.ə.məʊst/ us/ˈʌp.ɚ.moʊst/
最高（的），最上面（的）；最重要（的）；在最高处（的）
in the highest position or having the most importance
The building's uppermost floors were engulfed with flames. 办公大楼的最上面几层陷入一片火海之中。
Store the canisters with their lids uppermost. 把这些罐子盖子朝上放好。
What's uppermost in your mind just before a race? 比赛即将开始，你脑子里想的最多的是什么？
Synonym: topmost