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Synthesis and application of 4 - chloracetyl acetidin were introduced.是什么意思？

Synthesis and application of 4 - chloracetyl acetidin were introduced.

介绍 4- 氯乙酰乙酸乙酯的合成及应用.

相关词汇
synthesis and application of chloracetyl acetidin were introduced

synthesis

n. 综合，<化>合成，综合体，综合推理；
例句
His novels are a rich synthesis of Balkan history and mythology...
他的小说融合了大量巴尔干半岛的历史和神话故事。

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。

application

n. 适用，应用，运用，申请，请求，申请表格，勤勉，用功，敷用，敷用药；
例句
His application for membership of the organisation was rejected...
他想要加入该组织的申请遭到了拒绝。

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。

chloracetyl

氯乙酰基；
例句
Synthesis and application of 4 - chloracetyl acetidin were introduced.
介绍 4- 氯乙酰乙酸乙酯的合成及应用.

acetidin

乙酸乙酯；
例句
Synthesis and application of 4 - chloracetyl acetidin were introduced.
介绍 4- 氯乙酰乙酸乙酯的合成及应用.

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；
例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

introduced

adj. [医]引种的，引进的；v. 提出( introduce的过去式和过去分词 )，介绍，引进，作为…的开头；
例句
The changes will be introduced in April...
这些变更将于4月开始实行。
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
Hold on a minute.
稍等片刻。
Classically, overweight people underestimate the volume of food that they consume.
一般来说，超重的人往往低估自己摄入食物的量。
Canine teeth are for piercing and killing prey, and tearing flesh...
犬齿用来咬穿、咬死猎物，还可以撕肉。
They will be concerned to cut back expenditure on unnecessary items...
他们将会考虑削减不必要的开销。
In his innocence he had allowed the salesman in to discuss vacuum cleaners.
他傻傻地允许推销员进屋讨论吸尘器的问题。
These chaps know what side their bread's buttered on.
这些家伙知道怎样做对他们有利。
Fig 2 . Open - window envelopes, showing receivers'names & addresses, may inaugurate repeated printout.
图 二: 使用开窗式信封来显示收信人的地址和姓名是重复打印的悲剧的开始.
Rudyard Kipling called words the most powerful drug of mankind.
卢迪亚德·基普林曾把文字比喻为人类最强效的药.
This evidence reinforces my view.
这个证据证实了我的看法.
He is a morose, work-shy layabout.
他是个整天垂头丧气、游手好闲的人。