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葫芦脲是一种具有大环空腔、两端开口的葫芦状分子.用英语怎么说？

葫芦脲是一种具有大环空腔、两端开口的葫芦状分子.

Cucurbituril is a macrocyclic cavitand compound with two portals.

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
Cheater b: And people who are stupid can not see them.
骗子乙: 任何愚蠢得不可救药的人,都看不见这衣服.
Your solicitude was a great consolation to me.
你对我的关怀给了我莫大的安慰.
The abortive seeds only accumulated abscises acid, which caused the abortion and inactivation.
败育的杉木涩籽中只积累较多的脱落酸, 说明了败育涩籽的衰败和失活.
She does the job adequately but she’s not going to set the world on fire!
她工作做得不错,但也不会有什么惊人之举!
I looked everywhere. I couldn't find him.
我到处都找了，就是找不到他。
The crew of the ship gave them nothing but bread to eat.
船上的工作人员除了面包什么也不给他们吃。
Many economists believe the worst of the economic downturn is past.
很多经济学家认为经济衰退最糟糕的时期已经过去了。
Adam spent a lot of time in his grandfather's office.
亚当经常呆在他祖父的办公室里。
The researches of the thermal and photo degradations of aramid fibers are systematically discussed.
摘要阐述了芳纶的热、光老化降解研究的进展情况.
Mental illness is still a taboo subject.
精神疾病仍然是禁忌话题。