on hand
US /ɑːn hænd/
UK /ɑːn hænd/

短语
1.
在手边, 现有
available; in one's possession
示例:
•
Do you have enough cash on hand for the trip?
你手头有足够的现金用于这次旅行吗?
•
We need to make sure we have all the necessary supplies on hand.
我们需要确保所有必需品都在手边。
2.
在场, 随时待命
present at a particular event or situation
示例:
•
The doctor was on hand to assist with the emergency.
医生在场协助处理紧急情况。
•
Security personnel were on hand to manage the crowd.
安保人员在场管理人群。
在 Lingoland 学习这个单词