| 短语 | back sb/sth↔up |
| 释义 | ˌback sb/sth↔ˈup1to support sb/sth; to say that what sb says, etc. is true支持；证实（某人所言）I'll back you up if they don't believe you.如果他们不相信你，我会为你作证。The writer doesn't back up his opinions with examples.作者不用实例印证他的看法。2to provide support for sb/sth支持；支援two doctors backed up by a team of nurses由一组护士辅助的两名医生The rebels backed up their demands with threats.反叛者以恐吓手段要挟。related nounbackup (1) |
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