be on secondment (from [place]) (to [place])
on secondment 为固定短语，不用冠词；from 后接原单位，to 后接临时任职单位。
She is on secondment from the Ministry to our department.
她从部委借调到我们部门。
暂调；借调
临时调任；借调；调用
the temporary assignment of a person to a different role or organization
临时调任；借调
The process or state of being seconded, the temporary transfer of a person from their normal duty to another assignment.
She is on a six-month secondment to the Paris office.
她被暂调到巴黎办事处六个月。
用法提示：这里 secondment 是名词，与 on 搭配表示处于借调状态。
During his secondment, he learned how the marketing team works.
在借调期间，他了解了营销团队的工作方式。
用法提示：这里 secondment 是名词，指临时的借调安排。
The company has announced several secondments to strengthen international cooperation.
公司宣布了多项借调安排，以加强国际合作。
用法提示：这里 secondments 是 secondment 的复数形式，作名词表示多次借调。
on secondment 为固定短语，不用冠词；from 后接原单位，to 后接临时任职单位。
She is on secondment from the Ministry to our department.
她从部委借调到我们部门。
secondment 表示具体一次借调时可数，可用 six-month 等复合形容词修饰，后用 to 表示借调去处。
She was offered a six-month secondment to the Paris branch.
她获得了一个到巴黎分部为期六个月的借调机会。
on secondment 可直接放在名词后作后置定语，表示“被借调来的”。
The team includes two engineers on secondment from our partner company.
团队里有两位从合作公司借调来的工程师。
detachment 多指军事或机构上的正式分遣，强调从原单位分离出去；secondment 更常用在职业发展场景，强调临时调任且保留原职位，二者不能在所有语境互换。
attachment 指临时加入某部门或机构，常常是为了培训或协作，与 secondment 意思相近，但 attachment 更强调‘附属’关系，而 secondment 强调‘从原单位借调’的动作。
loan 在短语 on loan 中表示‘被借调’，口语中常用；单独作名词时侧重‘借出’这一行为，而 secondment 指整个借调期间或安排，正式场合多用后者。
grammar · medium
易错句子I was secondmented to the tax department.
正确表达I was seconded to the tax department.
secondment 是名词，动词是 second（暂调）。表示“被暂调”要用 be seconded to，不要把名词 secondment 加 -ed 当动词用。
grammar · medium
易错句子She is in secondment at our office.
正确表达She is on secondment at our office.
表示“处于暂调状态”的固定搭配是 on secondment（类似 on leave），介词用 on，不用 in。
grammar · medium
易错句子He did secondment at a law firm in Shanghai.
正确表达He did a secondment at a law firm in Shanghai.
secondment 表示一段具体的借调经历时为可数名词，前面要有冠词 a/an 或限定词，不能说 did secondment。
secondment 是名词，指“暂调/借调”，读 /sɪˈkɒndmənt/，重音在第二音节；与 second（秒；第二，/ˈsekənd/）拼写相同但读音、词性和语义完全不同，不可混用。
secondment 特指从原单位被正式借调到别处工作的状态；assignment 泛指分派的任务或作业，并不强调人员调动或借调关系。
借调中；暂调
She is currently on secondment to the Ministry of Finance.
她目前被借调到财政部工作。
借调机会
The company offers a six-month secondment opportunity in its overseas office.
公司提供到海外办公室借调六个月的机会。
借调期
His period of secondment ended in March.
他的借调期到三月份结束。
去借调；被借调
He went on secondment to a partner university.
他借调到合作大学去了。
借调安排
The two firms signed a secondment arrangement for staff exchange.
两家公司签署了员工交流的借调安排。
无前缀；second（词根：暂调/借调）+ -ment（名词后缀）；同根词：second（v. 暂调；附议）、seconder（n. 附议人）；同后缀词：agreement、development
指员工在职位或部门间轮流任职，与暂调同属人事调配方式。
常指被派往特定地点任职，与secondment的临时异地任职相关。
指人员或资源的安排调动，在组织语境下与暂调相近。
如员工交换项目，强调人员互相借调，与secondment概念相关。
指员工在岗位、地点间流动的难易程度，暂调体现这种流动性。
Dictionary facts from ECDICT, WIKTIONARY.