adj.无法辨认的，难以确认的，无法识別的

The strange, unidentifiable smell in the house worried the new homeowners.
房子里那股奇怪的、无法辨认的气味让新房主感到担忧。
The object found on the beach was unidentifiable due to years of erosion.
由于多年的侵蚀，海滩上发现的物体已经无法识别。
The noise coming from the old attic was unidentifiable, causing everyone to feel uneasy.
从旧阁楼传来的声响无法辨认，让每个人都感到不安。
The substance at the bottom of the bottle was an unidentifiable, murky liquid.
瓶底的物质是一种无法辨认的浑浊液体。
The fossilized remains were too damaged to be unidentifiable by the paleontologists.
化石残骸损坏严重，古生物学家无法辨认。
The unidentifiable caller hung up before anyone could answer the phone.
来电者身份不明，在有人接电话之前就挂断了。
The unidentifiable rash on her skin prompted her to visit a dermatologist.
她皮肤上无法辨识的皮疹促使她去看了皮肤科医生。
The unidentifiable ingredient in the dish gave it a unique flavor.
这道菜中那种无法辨别的成分赋予了它独特的风味。
The artist used unidentifiable scraps to create a thought-provoking collage.
艺术家用一些无法辨认的碎片创作了一幅引人深思的拼贴画。
The unidentifiable signal干扰了无线电通信，引起了技术人员的关注。
The unidentifiable signal disrupted radio communications, attracting the attention of technicians.
无法识别的信号干扰了无线电通信，引起了技术人员的注意。