unidentified
adj
that cannot be identified 不能辨认的; 无法识别的
an unidentified species, submarine, caller 辨别不出的种类、 潜艇、 来客
information from unidentified sources 来源不明的信息.
🗣️ 情景例句
I can't make sense of it.
这个我弄不明白。
That would be the responsibility of the buyer. We are prepared, however, to provide all the documentation costs.