i don´t know what the signal X_ on the road could you tell me?A stand B refers to C meansi don´t know what the signal X_ on the road could you tell me?A stand B refers to C means D stands for

问题描述:

i don´t know what the signal X_ on the road could you tell me?A stand B refers to C means
i don´t know what the signal X_ on the road could you tell me?
A stand B refers to C means D stands for