Additionally, two new cellulose derivatives were synthesized by reaction of CDC with 2 - aminopyridine and 3 - aminopyridine, respectively.是什么意思？

Additionally, two new cellulose derivatives were synthesized by reaction of CDC with 2 - aminopyridine and 3 - aminopyridine, respectively.

另外, 以CDC分别与 2- 氨基吡啶、 3- 氨基吡啶反应合成了两种新型的纤维素衍生物.

additionally

adv. 此外；

例句
The maintenance programme will additionally seek to keep the sites free of graffiti.
这个维护方案还会试图保护这些地点不被涂鸦。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

new

adj. 新的，崭新的，新鲜的，新到的，现代的，初次（听到）的；adv. 新近，最近；

例句
When I listen to her play I can hear a new Nigel Kennedy.
从她的演奏中我听出了新一代的奈杰尔·肯尼迪。

cellulose

n. 细胞膜质，纤维素，（用于制作涂料、漆等的）纤维素化合物；

例句
Various overlay mediums , such as agar , starchgel, methyl cellulose and tragacanth are used.
常用的覆盖培养基有:琼脂 、 淀粉凝胶甲基纤维素和黄蓍胶等.

derivatives

n. 衍生性金融商品，派生物，引出物( derivative的名词复数 )，导数；

例句
Sixteen flavanone - 7 - O - acetic acids, acetates, acetyl amino acidsand dipeptides derivatives were synthesized.
合成16个黄烷酮 -7-O- 乙酸 、 乙酸酯 、 乙酰氨基酸和二肽衍生物.

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。

synthesized

--

例句
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

reaction

n. 反应，反作用力，反动，保守；

例句
When Chappel approached me about the job, my first reaction was of disbelief...
当查普尔为这份工作找我商量时，我的第一反应是不相信。

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。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

aminopyridine

n. 氨基吡啶；

例句
Polystyrene - supported N - benzyl - N - alkyl - aminopyridine was prepared through chloromethylated polystyrene treated with 4 - aminopyridine and alkylation agents.
本文以聚苯乙烯氯球为原料,通过与 4- 氨基吡啶及烷基化试剂反应,制成聚苯乙烯支载N - 烷基-N-苄基氨基吡啶催化剂.

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。

respectively

adv. 各自地，各个地，分别地；

例句
Gorals seldom feed on Pinus koraiensis, Picea jezoensis, Abies nephralepis ( 1 %, 0.7 % and 1.7 % , respectively ).
斑羚在冬季食红松 、 云杉 、 冷杉较少 ( 1% 、 0.7%、1.7% ).