| 释义 |
on-callBrE /ˌɒn ˈkɔːl/ NAmE /ˌɑːn ˈkɔːl/ , /ˌɔːn ˈkɔːl/ [only before noun ] (especiallyNAmE ) (of a doctor , police officer , etc .医生、警察等) available for work if necessary , especially in an emergency （尤指紧急情况下）随叫随到的◆ on -call doctors 随时应诊的医生 ➡ see also callnoun |