附加装置的英文：
attachment

Speakers are sold as add-ons for personal stereos.
扬声器作为随身听的附加装置出售。

That attachment will convert your vacuum cleaner into a paint sprayer
那种附加装置将把你的真空吸尘器变成喷漆器。

That attachment will convert your vacuum cleaner into a paint sprayer.
那种附加装置将把你的真空吸尘器变成喷漆器。

The new car has many added refinements such as air-conditioning and anti- blocking brakes.
这辆新车有许多精巧的附加装置，如空调和防抱死装置。

Attachment: The act of attaching or the condition of being attached.
联接:联接的行为或被连接的状态。

attachable adj.
可连接的；可附上的；可逮捕的

The pedal of a cycle is attached to a crank.
自行车的踏板与曲柄相连。

To attach a ticket to; tag.
加标签于…把一张标签贴到…上；贴上标签

She has attached herself to the company.
她已加入那个公司了。