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Methane and propane are alkanes.是什么意思？

Methane and propane are alkanes.

甲烷和丙烷是烷烃。

相关词汇
methane and propane are alkanes

methane

n. <化>甲烷，沼气；

and

conj. 和，与，而且，于是，然后，因此；

propane

--

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

alkanes

烷类；
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
By the amide and aliphatic chain or alicyclic base line base connected criminal macromolecules.
由酰胺链与脂族基或脂环基连接的线刑大分子构成.
The aleurone grains of ungerminated seeds contain hydrolases.
未萌发种子的糊粉粒含有水解酶.
Objective To research the influence of alimentation, active inducement for growth and development of child.
目的研究营养 、 积极诱导等因素对小儿生长发育的影响.
The woman says: " If I promise you, alexandrine. "
女子说: “ 我要是答应你, 同上. ”
His classmates were labouring with elementary algebra.
他的同学们正在绞尽脑汁地演算初等代数题.
In which case, the available than the normal slightly thick developering alkalescence note again one time.
遇到这种情况, 可用比正常显影液稍浓的碱性注再显一遍.
Venom of the disappear inside alexipharmic pool should maintain certain amount and chroma, and often change.
消毒池内消毒液要保持一定的数量和浓度, 并且经常更换.
He felt alienated from his peers.
他感觉和同僚疏远了。
John Lord, alias Peter Lewis, was convicted of murder.
约翰·洛得, 别名彼得·刘易斯, 被判犯有谋杀罪.
It is a curare alkaloid derived from the South American plant.
它是箭毒碱,提取自一种南美产的植物.
We must maintain a military standard, an alertness, and never vary it.
我们必须保持军队的准则, 应当随时注意,切勿随时变动.
It is much easier to indicate how to find the mean by expressing the procedure algebraically.
用代数的方法来表现这个过程,就更容易说明平均数是如何求得的.
It is, of course, very easy to improve the efficiency of the greedy algorithm.
当然, 贪婪算法的有效性是很容易改进的.
Such detergents do not yellow the wool as alkali tends to do.
这种洗涤剂不会象碱那样使羊毛发黄.