sos是什么意思 sos求救信号。许多人认为'SOS'是三个字母的缩写，有些人把它理解为'Saveour属下'，另一些人认为它是'Saveourship'(拯救

专八阅读理解练习及答案NCB in InterpolThe organization known to the world as Interpol has sometimesbeen describe