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
why don't you introduce everybody to Susan?
何不将她们每一位介绍给 Susan?
I was so angry that I could hardly speak.
我气得几乎说不出话来。
among historians of science a new and more sophisticated picture has emerged.