unmistakable

There was an unmistakable smell of fresh coffee coming from the kitchen as soon as I opened the door.

(Chinese) 我一开门，厨房里就传来一股明显的咖啡香味。

The politician's deep, gravelly voice was unmistakable even when heard through a low-quality speaker.

(Chinese) 这位政治家深沉、沙哑的声音即使通过低质量的扬声器听起来也非常具有辨识度。