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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。
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
Unfortunately, she need emergency transfers to Subang Jaya Medical Centre.
医院建议她紧急转移到梳邦再也医疗中心.
The virus mutates in the carrier's body.
病毒会在携带者体内发生变异。
I am tired of all these jealousies and quarrels.
我厌恶这些妒忌和吵架的语言.
The furniture was threadbare; he'd obviously picked it up for nothing...
这件家具很破旧，显然他是白捡来的了。
The callous couple milked money from a hospital charity to fund a lavish lifestyle.
为了过上奢靡的生活，这对冷漠无情的夫妇竟然贪污医院的慈善基金。
I take basic issue with the editorials you have written.
我对你们撰写的那几篇社论从根本上持反对意见.
The convertor has interfaces of GSM protocol and RS - 232 standard.
利用西门子TC35射频模块和MCU智能控制功能,设计具有标准的GSM协议接口和RS232接口电路.
To our Leader : To Emmanuel Goldstein.'
为我们的领袖爱麦虞埃尔果尔德施坦因干杯. ”
For this reason, historians focus more on Heisenberg body.
为此, 历史学家们把目光集中在海森伯身上.
The residential blocks were integrated with the rest of the college.
住宿区与学院其他部分结合在了一起.