investigation
an attempt to gather the facts of a matter such as a crime, incident, etc. to find out the truth

调查, 研究

[名词]
train ticket
a paper or electronic document that a person needs to buy in order to travel on a train

火车票, 列车票

[名词]
telephone number
a set of numbers assigned to a specific telephone or mobile device, which enables calls to be made or received on that device

电话号码, 手机号码

[名词]
secret code
a private system of symbols or words that represents a message known only to the sender and recipient

秘密代码, 加密代码

[名词]
fingerprint
a mark made by the unique pattern of lines on the tip of a person's finger, can be used to find out who has committed a crime

指纹, 指纹图案

[名词]

下载LanGeek应用程序