ONE PHRASE, IN CONTEXT

on hand

现有可用；在场待命

阅读固定表达

类型主题插画

GET TO KNOW THE MEANING

读懂它，也学会这样说。

1 个义项

现有可用；在场待命

IN A SENTENCE

The clinic keeps spare oxygen tanks on hand in case the regular supply is delayed.
诊所备有备用氧气瓶，以防常规供应延误。

来源：Expression Original Learning Examples — 阅读必备库 — batch18 · Expression Editorial Team段 editorial-base-on-handOriginal English example and Chinese translation written for Expression; no third-party sentence text is reproduced.