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Cucurbituril is a macrocyclic cavitand compound with two portals.是什么意思？

Cucurbituril is a macrocyclic cavitand compound with two portals.

葫芦脲是一种具有大环空腔、两端开口的葫芦状分子.

相关词汇
is macrocyclic compound with two portals

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

macrocyclic

adj. 大环的；
例句
Cucurbituril is a macrocyclic cavitand compound with two portals.
葫芦脲是一种具有大环空腔、两端开口的葫芦状分子.

compound

n. 场地，复合物，（筑有围墙的）院子，复合词；
例句
This sticky compound adheres well on this surface.
这种黏性的化合物能牢牢地粘在这个表面上。

with

prep. 和，跟，随着，关于，和…一致；
例句
A waiter entered with a tray...
侍者端着托盘进来了。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我
例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

portals

n. 入口( portal的名词复数 )，桥门，[解剖学]肝门，出孔；
例句
The hallowed portals of academe were slowly and grudgingly opening to women.
大学神圣的大门缓慢又勉强地向女性敞开。
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。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
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。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
The stapler belongs to her.
这订书机是她的.
They drugged the guard dog with doped meatballs...
他们用掺了麻醉药的肉丸子麻醉了看门狗。
Hydrogeochemistry survey technology has a double - quick, convenient , economical characteristic in judging source of mine inrush water.
水文地球化学探测技术在判断矿井突水水源方面具有快速 、 及时 、 经济方便等特点.
an issue of seismic proportions and ramifications
具有震撼世界的意义和后果的事件
Should Harvard encourage its faculty to take on the world's inequities?
哈佛是否应该鼓励人们关注世界不平等现象?
In those days, if you were born a peasant, you were a peasant for life.
那时候, 如果你出生在一个农民家庭中, 你就一辈子是农民。
The power that amazes, We look, but never will see?
为什么这种令人惊异的力量我们看到了却永不会明白?
If you fit the bill, send a CV to Rebecca Rees.
如果你符合要求，就寄一份简历给丽贝卡·里斯。
The Social Democrats could still carry out their threat to leave the government...
社会民主党人仍有可能将其退出政府的威胁付诸实施。
The nation's disposable earnings in 1987 amounted to £86 billion.
1987 年国民可自由支配收入达到了860亿英镑。