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甲烷和丙烷是烷烃。用英语怎么说？

甲烷和丙烷是烷烃。

Methane and propane are alkanes.

相关词汇
methane and propane are alkanes

methane

n. <化>甲烷，沼气；
例句
A methane molecule is composed of one carbon atom attached to four hydrogens.
甲烷分子由1个碳原子与4个氢原子构成。

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。

propane

--
例句
Methane and propane are alkanes.
甲烷和丙烷是烷烃。

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）；
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。

alkanes

烷类；
例句
The general uses of alkanes may be divided into three categories.
烷的一般用途可分为三个方面.
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
It is regrettable that strike leaders seem intent on spoiling holidays.
遗憾的是罢工领导人似乎决意要破坏节日的气氛。
Feb. 29 is an intercalary day.
2月29日是个闰日.
The best antiquaries have now confuted Homer.
最好的考古学者已经将荷马驳倒了.
Stars twinkled in the sky.
星星在天空中闪烁。
At half-time the score stood at 3-0.
半场时比分为3 比0。
You can try on the dress in the fitting room.
你可以在试衣间试穿这件连衣裙.
Hiding beneath this hilly area are the haunting Waitomo Glowworm Caves.
在这山地之中藏着让我无法忘怀的怀托摩萤火虫儿岩洞.
You need nimble figners for that job.
干这活需要手指灵活。
He fell and sprained his ankle.
他摔了一跤，扭伤了脚踝。
...18 inches below the surface.
表面以下 18 英寸