fix vad realtime space bug

mengzhe.cmz

2023-05-08 3d7c0c5d2d1e097ae17dc4275c75050574d1f217

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st    street
st    saint
dr    doctor
dr    drive
mt    mount
sr    senior
prof    professor
mt    mountain
sr    senior
jr    junior
vol    volume
rd    road
ave    avenue
approx    approximately