A central force is one derived from a potential-energy function that is spherically symmetric.

A spherically symmetric structure of the earth has been assumed.

人们把地球的构造假设为球状对称.

It is not surprising that children learn to read at different rates...

小孩子识字的速度不同,这不足为奇。

Once he knew his father's name, finding his whereabouts proved surprisingly easy.

一旦他知道了父亲的名字，查找他父亲的下落就变得出奇地容易。

However, after Yang Ma had gone , Mrs. Xia became quite surprisingly polite to Xiangzi.

可是, 杨妈走后, 夏太太对祥子反倒非常的客气.

Because racialism still persists in American society, the white consider they are the best humanity.

由于种族主义在美国社会依然存在, 白人认为他们是最优等的人群.

The audience was surprisingly well behaved.

观众令人出奇地守秩序。

His letter to the newspaper about racialism in schools has stirred up a real hornet's nest.

他给报纸写的关于学校中存在种族歧视现象的信件引起了很大的麻烦.

The trouble is that faith in Mr. Obama's transformational ability rests on surprisingly little evidence.

可惜的是,为了证明对于奥巴马具备变革能力的信心,能够找到的证据却少得可怜.

The ANC has spent half a century fighting against racialism.

非洲人国民大会与种族主义进行了半个世纪的斗争.

He plays the piano surprisingly well.

他钢琴弹得好极了.

In spite of the fall from his horse, his leg was surprisingly uninjured.

尽管从马上摔了下来, 他的腿却出人意外地未受伤害.

The exam was surprisingly easy.

考试出奇地简单。

The suitcase is surprisingly light.

这箱子轻得出人意外.

However, it had some limitation in partial deformity of surficial not better than the 2-D images.

但有其一定的局限性,对部分体表畸形检出不及二 维 探头.

It was one of saddest days in world history when Nanjing was raped.

南京被“洗劫”的这一天是世界历史上最悲惨的一天.

I was emotionally raped by life. But the truth isn't that serious.

我臆想地被生活搞了. 然而真相,其实没那么严重.

When I was seven, I was raped by my adopted father.

七岁时, 就被养父侮辱了.

He hadn't only stolen my dreams, he'd raped them.

他让我的梦想成为灰烬.

The enemy raped the country and killed many villagers.

敌人掠夺了这个地区,并且杀害了许多村民.

It was one of the saddest days in world history when Nanjing was raped.

南京被洗劫的这一天是世界历史上最悲惨的一天.