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R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.是什么意思？

R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.

R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.

相关词汇
is replaceable function acetoxy their acyloxy and alkoxy or halo

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。

replaceable

adj. 可代替的；
例句
Most shredding machines are based on a revolving disc fitted with replaceable blades.
大多数粉碎机都是基于一个装有可替换刀片的旋转圆盘来实现作业的。

function

n. 功能，作用，应变量，函数，职务，重大聚会；vi. 有或起作用，行使职责；
例句
His function is vital to the accomplishment of the agency's mission.
要完成该机构的使命，他的作用至关重要。

acetoxy

--

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；
例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

acyloxy

adj. 酸基的，酰氧基的；
例句
R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.
R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

alkoxy

adj. 烷氧基的；
例句
R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.
R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

halo

n. 光环，荣光，（日月等的）晕；vt. 使有晕轮，围以光环；vi. 成晕轮；
例句
The sun had a faint halo round it...
环绕太阳有圈淡淡的光晕。
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。
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Many divorced men remarry and have second families.
许多离婚的男子再婚组成了新的家庭。
...a munitions factory.
军工厂
Beaujolais is meant to be a really good wine.
博若莱葡萄酒是公认的佳酿。
I began to nauseate the place I was in.
我开始厌恶我所住的地方.
Lumme , I want to Men's room after a jump just now.
哎呀,刚刚一蹦, 我想去上厕所了.
...an unsmoked cigar in its cellophane wrapper.
包着塑料膜、没有吸过的雪茄
Guan Hanqing is a great dramatist in Chinese dramatic history. The language in his works dialectal.
关汉卿是我国戏剧史上伟大的戏剧家,他的杂剧作品语言通俗自然、接进口语.
His ceaseless straining after brilliant epigrams quickly becomes irritating.
他不断追求漂亮警句的手法则很容易使人厌倦.
The National Collegiate Athletic Association introduced drug testing in the mid-1980s.
美国大学体育联合会在 20 世纪 80 年代中期开始实行药物检测。
The conference broke for a recess.
会议暂时休会。