1
ancillary + noun
ancillary 作形容词修饰名词，表示‘辅助的、附属的’。
The hospital provides ancillary services such as radiology and laboratory tests.
这家医院提供放射科和化验等辅助服务。
附属的；辅助的；次要的
先理解核心含义，再看它在真实句子里的用法。
附属的；辅助的；次要的
Subordinate; secondary; auxiliary.
The hospital provides ancillary services such as radiology and laboratory tests.
这家医院提供放射科和化验等辅助服务。
从属的；次要的；辅助的
Subordinate; secondary; auxiliary.
The IT department provides ancillary support to the entire organization.
信息技术部门为整个组织提供辅助支持。
The hospital has ancillary services such as radiology and pharmacy.
这家医院有放射科和药房等附属服务部门。
The report includes several ancillary documents for reference.
这份报告附有几份辅助文件供参考。
ancillary 作形容词修饰名词，表示‘辅助的、附属的’。
The hospital provides ancillary services such as radiology and laboratory tests.
这家医院提供放射科和化验等辅助服务。
表示‘附属于…’，通常描述次要实体。
The new facility is ancillary to the main campus.
新设施是主校区的附属部分。
作名词用时，常以复数形式 ancillaries 出现，意为‘助手、辅助人员’。
The clinic employs several ancillaries to support the doctors.
这家诊所雇了几名辅助人员来支持医生。
Not this
This equipment ancillaries the main system.
Use this
This equipment is ancillary to the main system.
ancillary是形容词，不能用作动词，需用be动词加形容词结构，并搭配介词to表示'对...是辅助的'。
Not this
Sleep is ancillary to health.
Use this
Sleep is essential to health.
ancillary意为'辅助的'，并非'必需的'。表示'对...至关重要'应用essential。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
辅助服务
The hotel offers ancillary services such as laundry and airport transfers.
这家酒店提供洗衣和机场接送等辅助服务。
辅助人员
The hospital relies on ancillary staff to keep the wards running smoothly.
医院依靠辅助人员保持病房顺利运转。
辅助设备
The laboratory purchased ancillary equipment for the new research project.
实验室为新研究项目购买了辅助设备。
辅助角色
In the negotiations, she played an ancillary role rather than leading the talks.
在谈判中，她扮演辅助角色而非主导会谈。
附加福利
The job offers ancillary benefits including gym membership and health insurance.
这份工作提供附加福利，包括健身房会员和健康保险。
辅助数据
The study used ancillary data from the national census.
该研究使用了全国人口普查的辅助数据。
Use ancillary naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象成 'an silly'：一个傻乎乎的小跟班，只顾在旁边辅助打杂——辅助的、次要的。
语域：formal 常见场景：学术写作、商务报告、行政或法律文件 ancillary 表示“附属的、辅助的、次要的”，通常用于正式或书面语境，多出现在学术、商务或行政说明中；日常口语里较少用，更自然的说法是 secondary 或 supporting。
形容词
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.