have been的例句大全

Human beings have been always fighting against nature.

人类一直在与大自然做斗争.

We have not been created to just pass through this life without aim.

我们受造不是为了漫无目的地虚度一生.

I'll have to air out the car. Someone has been smoking in it.

这辆车得通通风, 因为有人在车里抽烟.

Jeans, the all-purpose denim trousers, have been around for over a hundred years.

牛仔裤，这种适合各种用途的斜纹粗棉布裤子，已经有一百多年历史了。

Had she been alone with Caroline she might possibly have said something to the point.

要是她单独同卡罗琳在一起的话,她也许会说出一点中肯的意见来.

The effects of ambient pressure on jet characteristics have been discussed.

讨论了围压对射流系动特性的影响.

The amino group functionalized CdS nanoparticles have been synthesized by a one-step process.

摘要我们已成功合成外围修饰胺基的硫化镉奈米微粒.

The methods of preparation of organosilicon from amorphous silica have been studied.

直接合成有机硅化合物的方法.

The properties of thecatalysts have been examined using XRD; SEM, BET. Energy spectrum analysis, etc.

采用了XRD 、 SEM 、 BET比表面积测定以及能谱等手段对催化剂的性能进行了表征.

The police have been instructed to keep an eye out for pickpockets at the fair.

遵照指示,警察在展览会期间警戒小偷.

The tensile strength of drawing wire can reach 1421 MPa. And the highest relative conductivity can reach 30% IACS ( International Annealed Copper Standard). The effects of cold drawing on the properties of electrode wire have been investigated.

拉制硬态电极线抗拉强度可达1421MPa，相对导电率最高可达30%IACS（国际退火（软）铜标准）。

The company's total assets have been billion!

公司的总资产已过亿元!

He has been unable to raise enough money to have the big clock repaired.

他一直无法筹募到足够的钱来把这个大钟修理好.

Dr : Have your urine been dark?

你的小便颜色很深 吗 ?

They have been as thick as thieves for all of their lives.

他们一生都亲密无间.

They have only been read as the multitude read the stars, at most astrologically, not astronomically.

它们之被群众阅读,有如群众之阅览繁星, 至多是从星象学而不是从天文学的角度阅览的.

We really have been put in an awkward position because of this.

葛:因此我们的确是处在尴尬地位.

Too much of the writing seems to have been done on automatic pilot.

似乎有太多篇幅是有关自动驾驶仪的.

Joking apart, there must have been more than one hundred people in the room.

不夸张地说, 房间里可能有100多人.

Variety and quality of ferroalloys in application to welding material have been introduced in this paper.

简要介绍了焊接材料使用的铁合金种类与质量要求.