on-call

剑桥词典

used to describe workers who are available to make official visits at any time when they are needed
（工作人员）随叫随到的，待命的
an on-call specialist /firefighter /judge 一名待命的专家／消防员／法官

relating to the work of someone who is available at any time when needed
（工作）需要所叫随到的，随时待命的
My new job is 20 hours per week , with no on-call work . 我的新工作每周工作20小时，没有待命任务。 返回 on-call