罕有的

Never in my life have I seen such a peculiar glimmery color.

我一辈子也未见过如此罕有的光的色彩。

The sole clue of anything out of the ordinary is the unfamiliar whir of a compressor—a noise that Berretta vows company engineers will soon muffle.

要说有任何不寻常之处，唯一的线索，就是压缩机会出罕有的「……」声。贝雷塔打包票，原厂工程师一定会很快让这怪声消失。