| 单词 | back sb/sth↔up |
| 释义 | ● ˌback sb /sth↔ˈup 🔑 to 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 . 作者没用实例印证他的看法。🔑 to 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 noun backupSee also back |
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