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...the velocities at which the stars orbit.是什么意思？

...the velocities at which the stars orbit.

恒星沿轨道运行的速度

相关词汇
the velocities at which stars orbit

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；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

velocities

n. 速度( velocity的名词复数 )，高速，快速；
例句
...the velocities at which the stars orbit.
恒星沿轨道运行的速度

at

prep. （表示位置）在，在（某时间或时刻），以，达， 向，朝；n. 阿特（老挝辅币单位，100 阿特 = 1 基普）；
例句
Prices start at £13.95 a metre for printed cotton...
印花棉布以每米13.95英镑的价格起售。

which

pron. 哪一个，哪一些，哪个，那，指前面提到的事物；adj. 哪一个，哪一些；
例句
...the latest date at which a foetus can be aborted.
能够打胎的最迟日期

stars

abbr. specialized training and reassignment students 经过专门训练后再分配的学生，stationary automotive road stimulator (Toyota) 汽车公路固定刺激物（丰田汽车）；n. 星( star的名词复数 )，明星，（尤指旅馆或餐馆的）星级，星象（根据人出生时天体的位置而描述的命运）；
例句
Ptolemy charted more than 1000 stars in 48 constella-tions...
托勒密绘制了48个星座1,000多颗恒星的星位图。

orbit

n. 轨道，势力范围，眼眶，（人生的）旅程，生活过程；vt.& vi. 在…轨道上运行，环绕轨道运
例句
The orbit of this comet intersects the orbit of the Earth...
这颗彗星的轨道与地球的轨道交叉。
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
Arran became increasingly estranged from the mainstream of Hollywood.
阿伦变得越来越脱离好莱坞的主流了。
If the trip is a success, a lot of this will be due to Mr Green's efforts.
如果说这次旅行获得了成功,那很大程度上要归功于格林先生的努力。
We were together for five years...
我们共同生活了 5 年。
For a moment I thought he was going to kiss me. I recoiled in horror...
我当时以为他要亲我，所以吓得直往后退。
It is now up to all of us to debate this issue and press home the argument.
现在要靠我们大家对此问题进行辩论，并尽可能将论点阐述清楚。
Formerly, the relations between a teacher and his pupils were dominated by fear on the part of the pupils...
以往的师生关系主要是学生惧怕老师。
...Air Chief Marshal Sir Kenneth Cross.
空军上将肯尼思·克罗斯爵士
It was a miserable wet day.
那是一个糟糕的雨天。
In the alcoves on either side of the fire were bookshelves.
火炉两边的凹室里是书架。
The exorcism was broadcast on television.
电视上播放了驱邪仪式。