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R为四甲撑 、 五甲撑或六甲撑.用英语怎么说？

R为四甲撑 、 五甲撑或六甲撑.

R is tetramethylene, pentamethylene, or hexamethylene.

相关词汇
is pentamethylene or hexamethylene

is

vt.& vi. 是（be的三单形式；n. 存在；

pentamethylene

--

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；

hexamethylene

n. 环己；
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
The name herringbone is derived from the neat pattern left in the snow.
箭尾式攀登名字起源于留在雪地上的整齐的印子.
OBJECTIVE To establish a method for determination of hesperidin in Jinguo Effervescent Tablets by HPLC.
目的建立金果泡腾片中橙皮苷含量的测定方法.
Referee Michael Reed had no hesitation in awarding a penalty.
裁判迈克尔·里德毫不犹豫地判了点球。
He took up herpetology at the age of fifty.
他50岁时开始从事爬虫学.
Hern á n Crespo has better striker's instincts but continues to miss disappointingly.
克雷斯波具有更好的射手本能,但是仍然令人失望的错过了机会.
Hexachlorophene is a commercially available germicidal agent especially used newborn nursery for prevention of infection.
六氯丁二烯是一种常见的抗微生物剂,广泛运用于市面上,以消毒杀菌.
Figure 14.5 and 14.6 show this division for a homonuclear and a heteronuclear diatomic molecule.
图14.5和14.6示出同核和异核双原子分子的这种分区.
The hetero ene reaction is an important part of ene reaction.
杂原子烯反应是该反应的重要组成部分.
I noticed a certain hesitancy in his voice.
我注意到他的声音有点犹豫。
The young of some kinds of herring are canned as sardines.
有些种类的鲱鱼幼鱼可制成罐头.
" There's a girl in there too ,'said Xing . " Tie hex up also.
“ 里边还有个女的, 也捆起来!
He finally accepted hesitantly.
他最终犹犹豫豫地接受了.
Felix became a herpetologist instead.
费利克斯而是成为了一位爬虫学家.
Research has revealed him to be [ that he was ] a hermit.
调查结果表明他原是一位隐士.