“附件”的拼音为：fù jiàn...

内存扩充卡是计算机很有用的附件。The memory expansion cards are useful adjuncts to the computer.附件收到,十分感谢.I received your enclosure with gratitude.这些是不可缺少的附件.These are indispensable accessories....

“附件”的英语可以翻译为：appendix，attachment，enclosure，accessory...