语文书 / 例句 /

Allene is an isomer of methyl acetylene.是什么意思？

Allene is an isomer of methyl acetylene.

丙二烯是甲基乙炔的一种异构体.

相关词汇
allene is an isomer of methyl acetylene

allene

n. 丙二烯，二烯烃，丙二烯衍生物；

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。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；
例句
He started eating an apple...
他开始吃苹果。

isomer

n. 异构体；
例句
Allene is an isomer of methyl acetylene.
丙二烯是甲基乙炔的一种异构体.

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

methyl

n. 甲基，木精；
例句
The extraction mechanism of palladium in chloride system by di ( 1 - methyl heptyl ) acetamide ( N _ ( 503 )) has been studied.
本文研究了N, N二 甲庚基乙酰胺 ( N_ ( s03 ) )从氯化物体系中萃取钯的机理.

acetylene

n. 乙炔，电石气；
例句
The gang worked for up to ten hours with acetylene torches to open the vault.
那伙匪徒为打开金库用氧乙炔炬干了长达10个小时。
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
Bear in mind that petrol stations are scarce in the more remote areas.
要牢记一点：在比较偏远的地方加油站很少见。
Where has selling the rubber nipple not needing whorl cover?
哪里有卖不需要旋盖的橡胶奶嘴?
She wore a checkered jumper and had ribbons in her hair.
她穿着格子连衣裙，头上系着丝带。
After a shower like this, the grassland becomes even greener and has a fresher scent.
象缀满草尖上的水珠,却又象数不清的金刚钻.
This violin has very good tone.
这把小提琴的音色很好。
A late booking may involve you in extra cost.
预订晚了的话你可能要额外多花钱。
He fixed the towing cradle round the hull.
他把牵引支架固定在船体上。
...multi-national corporations.
跨国公司
We had our tickets checked at each stopover.
每次中途停留都有人给我们检票。
Sunlight glinted on his spectacles.
阳光照射下，他的眼镜片闪着光。