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Hairpieces need to be replaced periodically.是什么意思？

Hairpieces need to be replaced periodically.

假发需要定期更换.

相关词汇
hairpieces need to be replaced periodically

hairpieces

n. 假发，假眉毛( hairpiece的名词复数 )；

need

vt. 需要，必须；aux. 必须，不得不；n. 需要，需要的东西，责任，贫穷；vi. （表示应该或不得不做）有必要；
例句
The nation's advertisers need to clean up their act.
该国的广告商需要规范自己的行为。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；
例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

be

v. 是，有，存在，做，成为，发生；aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质；
例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

replaced

v. 取代( replace的过去式和过去分词 )，更换，把…放回原位，（用…）替换；
例句
The mist had been replaced by a kind of haze that seemed to amplify the heat...
薄雾散了，取而代之的是一种似乎更添酷热的烟霭。

periodically

adv. 周期性地，定期地，偶尔；
例句
Henke said. " Yoko would periodically call and speak to whoever answers. "
洋 子会定期打进来,跟接电话的人讲话,不管谁接.
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。
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。
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
The Woodward EGS system has full authority over spark, fuel, and air.
该伍德沃德环境商品和服务的系统有充分的权力,星火, 燃料和空气.
The insurer will also have to pay the additional costs of the trial.
保险公司将不得不支付审判的额外费用。
Is the mountain climbable?
这座山能攀登 吗 ?
We rap the manufacturers on their knuckles if the toy is shoddy...
如果玩具质量低劣，我们会痛斥制造商。
...Aboriginal art.
澳大利亚土著艺术
...another group of patients who were taught to change their own dressings...
另一组被教会自己换药的病人
Oh , to get through the Gate of Thanatos, you need a hatpin to pick the lock.
它们经常显示荒唐的信息.
For this reason the near point gradually recedes as one grows older.
由于这个原因,随着人渐渐变老,近点便逐渐后退.
He knocks boldly at the door who brings good news.
彼叩门声响,必来报佳音。
Heedless of time or any other consideration, they began to search the underwater cave...
他们顾不上考虑时间或任何其他因素就开始寻找水下洞穴。