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...a hollow cylinder.是什么意思？

...a hollow cylinder.

中空圆筒

相关词汇
hollow cylinder

hollow

adj. 空的，空洞的，虚伪的，空腹的；n. 洞，坑，山谷；vt.& vi. 挖空（某物），变空，挖出（孔、洞）；adv. 完全，彻底；

cylinder

n. 圆筒，圆柱，汽缸，（尤指用作容器的）圆筒状物；
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
The book is enjoyable hokum.
这本书里都是些饶有趣味的闲谈瞎扯。
He holed from nine feet at the 18th...
他打到第18洞时从9英尺外击球入穴。
A twenty-foot steel pyramid is to be hoisted into position on top of the tower...
一个高20英尺的钢质角锥体将被吊起，安装在塔的顶部。
Today he was hoeing in the vineyard.
今天他在葡萄园里锄地。
Will the President be able to hold to this commit-ment?...
总统能恪守此承诺吗？
Hold it! Don't move!
停下！别动！
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安妮·弗兰克生平资料展
A telephone operator asked him to hold.
电话接线员让他不要挂断。
...the first day of the school holidays.
学校放假的第一天
...the British hockey team.
英国曲棍球队
He had ordered his officers to keep an exceptionally firm hold over their men...
他已经命令军官要倍加严格地管住自己的手下。
France has been the holdout in trying to negotiate an end to the dispute.
法国在为解决争端进行的谈判中一直拒不让步。
Blocks of flats have been holed and some shells have fallen within the historic ramparts.
几栋公寓楼被炸出了窟窿，几枚炮弹还落在了古护城墙内。
A doctor and a nurse caught hold of his arms...
一名医生和一名护士抓住了他的双臂。