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这是持久不变的。用英语怎么说？

这是持久不变的。

It is unchangeable and permanent.

相关词汇
it is unchangeable and permanent

it

pron. 它，他，正好是所需的，事实[情况]；n. <美俚>傻瓜，笨蛋，<俚>绝妙的人，理想的东西，登峰造极；
例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

unchangeable

--
例句
The law with exclusive and unchangeable market of baric graceful ? is going forever namely.
的确,市场唯一不变的法则就是永远在变.

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

permanent

adj. 永久（性）的，永恒的，不变的，耐久的，持久的，经久的，稳定的，常务的，常设的；n. 电烫发，烫发；
例句
...if France cannot persuade all five permanent members of the Security Council to back the plan...
如果法国不能说服安理会五个常任理事国都支持该计划
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
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。
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。
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。
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。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
I was floored by his argument and had to admit defeat.
我被他驳倒了, 只得承认失败。
John is in high spirits at the prospects.
约翰对前景充满希望。
the quiescence period
休眠期
In the summer, large crops of fruit may be preserved by freezing or bottling.
夏天大量水果可以通过冷藏或瓶装加以保存。
the importance placed on cleanliness
对清洁的重视
The petitioner ask for a variation in her maintenance order.
上诉人要求对她生活费的命令的条件进行变更。
They decided not to modernise the Victorian decor.
他们决定不对维多利亚时代的装潢进行现代派的改变。
I've just had an inspiration; why don't we try turning it the other way!
我突然想出一个好主意—我们为什么不试着向相反的方向转一转呢！
The water is forced into the boiler by the feed pump.
用水泵将水压入锅炉。
She wears a pair of pretty ear rings.
她戴着一副漂亮的耳环。