| 词汇 | on hand | 
| 释义 | on handon hand NEARclose by and ready when needed  在手头,在近旁  Our staff are always on hand to help.  我们的员工会随时提供帮助。 Examples from the Corpus on hand• Organizers of the fair have a nurse on hand in case of any injuries.  →  on hand  at hand1(10) | 
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