15秒记一个单词592个，20秒记一个单词第310个
15秒记一个单词592个，20秒记一个单词第310个
The memory expansion cards are useful adjuncts to the computer.
内存扩充卡是计算机很有用的附件。
英语解释：(formal) a thing that is added or attached to sth larger or more important 附属物；附件
15秒记一个单词592个，20秒记一个单词第310个
The memory expansion cards are useful adjuncts to the computer.
内存扩充卡是计算机很有用的附件。
英语解释：(formal) a thing that is added or attached to sth larger or more important 附属物；附件
