What does ECHO stand for?
ECHO stands for "English Conversation Hello Okay"
How to abbreviate "English Conversation Hello Okay"?
"English Conversation Hello Okay" can be abbreviated as ECHO
What is the meaning of ECHO abbreviation?
The meaning of ECHO abbreviation is "English Conversation Hello Okay"
What does ECHO mean?
ECHO as abbreviation means "English Conversation Hello Okay"
