| 释义 |
did
verb
uk /dɪd/ us /dɪd/
past simple of do（do 的过去式）
did | American Dictionary
did
us/dɪd/
past simple of do
DID | Business English
DID
noun[ U ]
(UK alsoDDI)ukus
COMMUNICATIONS
abbreviation for Direct Inward Dial or Direct Inward Dialing: a system that allows a phone line to be connected to more than one number, so that employees or departments in an organization can have different numbers without each needing a separate phone line:
With DID the telephone company can allocate a range of numbers associated with one or more phone lines.
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