on hand片语

片语

1. 1

   现有、备有、手头上

   We always keep extra batteries on hand for emergencies.

   我们总是备有多余的电池以防万一。

2. 2

   在场、到场、随时待命

   Several nurses were on hand to help the injured passengers.

   有几名护士在场协助受伤的乘客。

3. 3

   待处理、手头待办

   She finished the work on hand before taking a break.

   她把手头的工作做完才休息。