深入了解历史背景能让我们知道很多。
烟花的一个有趣的地方是，它们的历史让我们知道很多关于欧洲科学家和技术人员之间不断变化的规则。
An interesting aspect of fireworks is that their history tells us a lot about the changing rules of scientists and technicians in Europe.
我们知道很多慷慨的行为都和健康相关联。
So we know that a lot of generous behaviors are associated with consequences for health.
虽然通过科技我们知道很多疾病都是遗传的。
We now believe, through scientific technology, that many diseases are inherited.
我们知道很多其他野生植物，动物，昆虫和鸟类最近已经灭绝。
We know many other wild plants, animals, insects and birds have died out more recently.
虽然我们知道很多事情，但就是不能准确地知道“知道”意味意味着什么。
Despite everything we may take ourselves to know, then, we justdon't know exactly what it means to say that we know them.
我们知道很多学生，比如大约一半儿中国的本科生在国内寻找中介帮助他们。
We know that many students, perhaps half of all undergraduate Chinese students, for example, have paid advisers at home to help them.
泰迪熊和飞机，拼图，球和火车，狗，猫和鸟，我们知道很多单词。
Teddy bear and plane, puzzle, ball and train, dogs and cats and birds, We know lots of words.
作为一个工作者和投资者，我们知道很多危险潜伏在我们前进的道路上。
As workers and investors, we know that many dangers lurk in our paths.
我们知道很多矿工本身也是球迷，我们相信他们会很高兴有这样的机会。
Knowing that many of the miners are football fans, we believe they will appreciate this opportunity.
我们知道很多世界级影星参演了这部片子，韩三平巧妙的安排使得每个人的表演都没有脱离剧情。
We know that many world-famous stars are participating in this film and Han wisely made the arrangement which no one performs out of the scenes.
网络是一个不断更新的媒介，我们知道很多新的方法去发现和浏览网络中的内容来充实自己。
The web is a continuously evolving medium, and I know that new ways to find and consume content will keep evolving.
这是我们投入金钱和时间开发电池供电的原因，虽然我们知道很多电池供电的扩音机并不好听。
That is why we have invested time and money into battery power solutions, being very well aware of the fact, that many battery powered amplifiers do not necessarily sound good.
关于现在这个存在我们知道很多，但是不再有新的光芒照亮任何一页；记忆写在我们可以阅读的所有地方。
Of this existence we know many things, but no new light falls upon any page of that; in memory is written all of it that we can read.
我们学习是求知识，所以我们知道很多；美国人学习是为了有创造性，或者学习中保持了创造性，所以他们创造了很多东西。
We learn to get knowledge, so we know much; the Americans learn to be creative, or learn and keep creative, so they create many things.
我们知道很多网站上都是有网站地图的，其目的的为了方便搜索引擎抓取，从而增加网站的收录，以此来提高网站关键词排名。
We know that many web site is a site map, its purpose in order to facilitate the search engine grab, thereby increasing site included, in order to improve the site keywords ranking.
我们知道像狗这样的哺乳动物会发出很多不同的声音。
We know that mammals, dogs for example, dogs vocalize many different sounds.
你可能是你们年级里唯一一个比较年轻的孩子，但是，你知道，我们有很多课外活动，你也可以参加。
You may be the only younger one in your year, but, you know, we have a lot of after-school activities you can join in.
自从伯尼·麦道夫因涉嫌经营6500万美元的庞氏骗局而被捕以来，我读过很多文章，说我们这些投资者应该知道发生了什么。
Since Bernie Madoff's arrest on charges of running a $65 million Ponzi scheme, I've read many articles about how we investors should have known what was going on.
目前还不知道在澳大利亚有多少地方能够发现这种岩石艺术；但不幸的是，我们知道有很多艺术作品正在消失。
It isn't actually known how many sites there are across Australia where rock art can be found—but unfortunately, we do know that much of the art is being lost to us.
我知道高中已经结束了，但是很多同学将上同一所大学，我们仍然需要努力学习。
I know it's the end of high school, but many of classmates are going on to the same university, and we are still required to study hard.
我们都知道，我们国家急需老师，但并没有很多人想成为老师。
As we can see, teachers are badly needed in our country, but not many people want to become teachers.
我们在很多方面都被延误了，不知道需要多久才能赶上。
It has set us back in so many respects that I'm not sure how long it will take for us to catch up.
我们所知道和相信的很多东西都是别人教给我们的，我们经常接受这些信息而不花太多时间去思考。
Much of what we know and believe has been taught to us by others, and we often accept this information without spending much time thinking it over for ourselves.
我们都听说过伞菌并且知道它们都是有毒的，但是很多人并不知道伞菌也是蘑菇的一种。
We have all heard of toadstools and know that they are poisonous, but what many people don't know is that a toadstool is actually a mushroom.
你知道，有时我们会买很多我们不需要的东西。
我们知道在他的课上我们没有学到很多。
我们知道在他的课上我们没有学到很多。
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