标签:降低pm密度 相关文章
10. decorate v. 装饰,装潢,布置 decrease v./n. 减少,减小 defeat vtn 战胜,挫败 defect n. 缺点,欠缺 define vt. 定义 definite a. 明确的,肯定的,限定的 definitely ad.一定地,明确地 definition n.定义,释义;
OK, one more thing, if I can even get more bizarre. 另外还有一件事是更难以想象的 Since virtually all the mass of an atom is in the nucleus 既然事实是原子的全部质量集中在原子核, now, there is some amount of mass in th
Thus by heating liquids we cause them to evaporate, or change into vapours or gases; 因此, 可以看出:我们能够通过加热液体使得它们蒸发, 变成水蒸气或气体; and by taking away heat from these gases, or cooling them, we tu
今天学的词组是play down。 Play down的意思是降低,缩小和轻描淡写。 最近有人在网上张贴消息说美国七大体育馆周末将遭受脏弹袭击,美国国土安全部立即通知全国美式足球协会,要他们提高警
delicate a.巧妙的,优雅的;精致的,微妙的 delicious a.美味可口的;芬芳的;有趣味的,妙的 delight n.欣喜,愉快;嗜好 vt.(使)喜悦 deliver vt.救出;投递 delivery n.投递,送交;交付,交货;分娩
City kids have smorgasbord of food choices. But they also face food allergies more than do their country cousins. Researchers mapped food allergies in children across the U.S. And they found more cases per capita in areas with high population densiti
讨论地核物质成分,科学家根据地震波传导的快慢,确定了地核的成分与地表的成分不同。然后科学家发现火山爆发出来的物质有钻石,证明地球深层是一个高温高压的环境,因为钻石只能在
So as bad as all that is, things are going to get much worse, much, much worse. 整个情况如此糟糕,而且将会每况愈下。 This is the infrastructure as we see it about now. 以上是我们目前所知的基础设施。 This is what's pla
今天我们要学的词是lower。 Lower, 做为动词,有降低的意思。 A new study says drinking coffee may help lower women's risk of stroke, 一项最新研究发现,喝咖啡有助于降低女性患中风的风险。 The easiest way to
Not everyone was satisfied with the results, however. The shortcoming of the Schiehallion experiment was that it was not possible to get a truly accurate figure without knowing the actual density of the mountain. For convenience, Hutton had assumed t
But Zwicky was also capable of insights of the most startling brilliance. In the early 1930s, he turned his attention to a question that had long troubled astronomers: the appearance in the sky of occasional unexplained points of light, new stars. 然而
The search and rescue operation for missing South Korean passengers continued for the ninth day on Thursday. Families of passengers whose relatives bodies have been retrieved have started to leave the southern island of Jindo. Parents of the missing
Joining us now is reporter Tang Bo to tell us more about the measures the Chinese government has taken to cope with the air pollution. Tang: Poor air quality in Beijing and the Beijing cough has repeatedly embarrassed the country in the international
Just days after Beijing passed a plan to fight air pollution, its neighboring city Tianjin has also passed a scheme to make its sky clearer. The program features two short-term goals. 就在几天前北京通过一项预防污染的议案,现在其邻
Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空,我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢
And so, by loading up its ballast tanks, or by sinking obliquely with its slanting fins, 诺第留斯号或者是把所有的储水池装得特别满,或用纵斜机板斜斜下降, the Nautilus successively reached depths of 3,000, 4,000, 5,000,
台湾籍旅美老师今天交给我们的句子是: And they found that there is a best way to swallow capsules and a different best way to swallow tablets. And each method directly correlates to the density of the pills compared to the density of
Oceans are the real powerhouse of the planet's surface behavior. 海洋是地球表面活动的真正动力源泉。 Indeed, meteorologists increasingly treat oceans and atmosphere as a single system, which is why we must give them a little of our at
一、原文及题目只提到单件事物或状态的only题(only 出现在题目中): 题目:小明只喜欢吃巧克力。原文:小明喜欢吃巧克力。 二、题目就事物的本质进行是非对错判断、而原文是第三者评述或