n.

1. 连接；安装；附着[U][（+to）]
2. 附属物；附件；附加装置[C][（+to/for）]
   attachments to a reaping machine

   收割机的配件

3. 连接物（如绳、带、扣等）[C]
4. 情感，爱慕；忠诚[U][C][（+to/for）]
   She formed a strong attachment for him.

   她对他产生了热烈的爱慕之情。

5. 【律】扣押；扣押令[U][C]

n.

1. an extra part or extension attached to perform a function.
   ▸a computer file appended to an email.
2. affection or fondness.
   ▸an affectionate relationship.
3. the action of attaching.
4. Brit. temporary secondment to an organization.