ancillary attachment

例句：

1. 1. The engineer attached a new ancillary attachment to the machine.
   工程师给机器加装了一个新的辅助装置。
2. 2.The doctor attached a bandage to his wound.
   医生给他的伤口贴上了绷带。
3. 3.The scientist attached a microscope to her lab coat.
   科学家把她的实验室外套挂上了显微镜。