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内存扩充卡是计算机很有用的附件。用英语怎么说？

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.

相关词汇
the memory expansion cards are useful adjuncts to computer

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

memory

n. 记忆，记忆力，回忆，往事，[计]存储器，内存；

expansion

n. 扩大，扩张，扩张物，膨胀物；

cards

n. 卡（ card的名词复数 ），纸牌，贺卡，信用卡；

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

useful

adj. 有用的，有益的，有帮助的，令人满意的；

adjuncts

n. 附件，助手( adjunct的名词复数 )；

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

computer

n. （电子）计算机，电脑；
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你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
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她已获准期末免试。
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他跳进湖里, 完全是为了出风头.
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The executor shared out the estate.
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The utility model relates a linkage device of a cooking fume exhauster and a gas stove.
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