ReadWriteQuiz
Chinese dictionary
(of things) of unknown origin; (of things) unidentified; unknown source or origin
身份不明的闯入者
unidentified intruders
炸弹安放者身份不明。
It's not known who planted the bomb.
身份不明的闯入者
unidentified intruders
炸弹安放者身份不明。
It's not known who planted the bomb.