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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The mist had been replaced by a kind of haze that seemed to amplify the heat...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
...extraordinarily realistic paintings of Indians...
关于印第安人的极为逼真的绘画
We’re giving away a free goody bag with every children’s meal.
每一客儿童餐我们赠送一袋礼品。
...crude wooden boxes.
简陋的木盒子
I think the decision was a bitter blow from which he never quite recovered...
我想这个决定对他是个沉重的打击，从此以后他一蹶不振。
Air mail is quicker than sea mail.
航空邮寄比海上邮寄快。
Their avarice knows no bounds; you can never satisfy them.
他们贪得无厌, 你永远无法满足他们.
He spilled it that Bill was their ringleader.
他透露比尔是他们的主谋。
Dawn comes and you see its path - the glistening leaf, the gloaming stem blackening garden vine.
拂晓时分,你随处可见它的踪迹,在闪亮的叶子上,朦胧的茎干上, 盘曲黝黑的藤蔓上.
We learned that he was a compatriot from the overseas.
听说他是海外侨胞.
There's a time lag between infection with HIV and developing AIDS.
从感染艾滋病病毒到病发有一段滞后期。