An improved method for the synthesis of 3,7-dinitro-1,3 , 5,7-tetraazabicyclo [ 3.3.1 ] nonane ( 3, DPT ) from 1 was proposed.

These charge vaccine including Japanese encephalitis , B and DPT.

这些收费的疫苗包括乙脑 、 乙肝和百白破.

DPT with 15 N atoms were characterized through 15 N NMR spectra and Mass spectra.

给出了有15N标记的DPT分子 的15N-NMR和MS测定结果.

Could you direct them to Dr Lamont's office, please?

你能告诉他们去拉蒙特医生的办公室怎么走吗？

Dr Williams describes it as a potential wonder drug.

威廉斯医生称其可能会成为特效药。

Dr Kengerli looks to Turkey as his mother country.

肯戈理博士视土耳其为自己的祖国。

a cold drab little office

冷冰冰的小办公室

The rest of the day'sactivities often seemed drab or depressing.

一天的剩余时光好像常常是乏味或令人沮丧的。

Mary was wearing the same drab grey dress.

玛丽穿着同一件毫无朝气的灰色裙子。

There are many drab houses in the smoky mining town.

冒烟的矿内有许多土褐色的房子.

Not bright and clear in color; somewhat dull or drab.

色彩不鲜明的和不纯净的; 带灰或褐色的.

There are many drab houses in the Smokey mining town.

在这个采煤的小镇上有许多黑褐色的房子.

It was like a beautiful bird flapped into our drab cage and made those dissolve away.

就像一只美丽的小鸟飞入我们这承重的牢笼,让那些高墙仿佛都消失了一般.

What do you find to attract you in this poor drab little country?

这个单调破败的小天地还有什么吸引你们的地方 吗 ?

His hands had been drab all night.

他的牌运始终没有一点起色.

The life of a person who never does anything is dull and drab.

如果一个人的一生什么事情都没有做是多么迟钝和单调.

Don't wear blue tonight, it's too drab.

今晚不要穿蓝色衣服, 显得太单调.

In the Middle Ages the term "drab" denoted a very simple type of woollen cloth which was used by peasants to make their clothes.

中世纪时，drab（“本色布”）一词指的是一种农民用来制衣的非常普通的羊毛织物。

But still, the place you that more drab and empty when they are gone.

不过他们走之后, 你四周更单调和刚空.

But it makes a change from the usual drab meeting rooms.

但它仍然改变了以往单调的会议形式.

For most generations sacrifice comes in drab and weariness of spirit.

过去的世世代代,多数的牺牲都是精神贫乏的无谓牺牲.