But you will never know if they work unless you study them in humans, so this is an important first step.
但是如果你不在人类身上应用这些研究你将永远不知道它们是否能获得成功，所以这是很重要的第一步。
First, in our earlier study of practicing physicians, we sent actors to visit these physicians in their offices. So they didn't know they were seeing actors. They thought they were seeing patients.
首先，在我们上一个对执业医师研究中，我们安排演员去他们的诊疗室，他们并不知道在给假病人看病而把他们当成真正的病人。
So whether we finish it today, or more likely when we finish it up on Friday, once we get passed isoelectronic atoms, that's it, that's all you need to study for this first exam.
因此，我们也许今天讲完，或者更有可能周五讲完，无论如何，就到我们讲完等电子原子为止，这是你们第一次考试所需要准备的全部内容。
So says the first large study measuring testosterone in men when they were single and childless and several years after they had children.
故此，首次主要是对单身、尚无孩子及很多年没有与孩子相聚的男子们的激素进行研究。
“I would be surprised if there were different findings for older children, but our study only looks at first graders so we can’t be certain,” Milkie said.
“如果对其他年级学生的结果不一样的话，将会出乎我的意料。但是我们的研究仅仅是关注一年级的，所以我们也不能肯定，”米尔琪说。
The first step in connector development lies in understanding the vocabulary, features, and layout of your repository, so this is where the feasibility study begins.
连接器开发的第一步是理解存储库的词汇表、特性和布局，因此可行性研究就从这里开始。
The study was rigged so the couples failed the time limit on the first two tries, but just barely made it on the third, resulting in much celebration.
由于要求严格且有时间限制，很多夫妻在经历两次尝试后，终于第三次获得了成功，自己都激动得庆贺了一番。
For me, I think people at first should read as more books as possible, when they start to choose the major, then they should read selectively, so they can have more time to study a book.
对于我来说，我觉得人们一开始应该尽可能地多读书，当他们开始选择专业的时候，他们应该有选择性的读书，这样他们就会有更多的时间来研究书本。
"We first have to find the species, know them and protect them, so that we can study them for their clinical importance," he said.
他说：“我们首先要找到这些物种，了解他们并且保护他们，这样才能研究他们的临床价值。”
Since the first day I went to school, the teachers started to tell that we should study hard so that we can go to college one day.
自从我第一天上学，老师们就告诉我们要努力学习，这样在将来的某一天我们才能去上大学。
First, the ones who study abroad are no longer for the only purpose-study, they are often born in a rich family, so besides study, they want to travel more.
第一，那些在国外学习的人学习不再是唯一的目的，他们一般都出生与优越的家庭，所以除了学习，他们更想要旅游。
JULIA: I just finished my first study of history. It is so fascinating.
朱莉娅：我刚完成对历史学的第一次研究，这太令人着迷了。
As we leave home for the first time to study at the places that we have worked so hard to get, we must not see or experience double standards.
我们第一次离家，来到通过努力奋斗最终到达的理想学府，我们决不能让自己被双重标准对待。
This is the first time that I have felt so worried about my study.
这是我第一次对我的学习感到如此担忧。
Our first study of people who were happily in love has been widely publicized, so I'm only going to say a very little about it.
我们第一项对处在幸福爱恋中的人们的研究得到了很好地宣传，因此我只简短地介绍一下。
The risk of reinfection was high at the first three-month screening, the study found, and it remained so for the entire one-year follow-up.
研究发现初次三个月的筛检时重新感染的风险是高的，一整年的随访仍是如此。
First, I will set my goal after entering college and improve the way of study so that I can properly make use of my time.
首先，我需要确定我在进入大学后的目标，改进学习方法，从而能够充。
So the first thing you always need to do is to study your environment and think of how your extrusions look in the real world and how they are affected by light.
所以，你需要做的第一件事永远是学习你的环境，并且思考如何使你的挤出效果看起来像是在真实世界的，同时，它们是如何受灯光影响的。
As we leave home for the first time to study at the places that we have worked so hard to get, we must not see or experience double standards.
当我们第一次离开家去千辛万苦考取的学校求学时，我们不应当目睹和经历双重标准。
So, first of all, I must study hard to learn as much as possible.
因此，首先，我必须勤奋学习，学习，尽可能多地。
So we have to put it into our mother language first, have the relevant comprehension, then we know what we are talking about. This is especially true at the beginning of a foreign language study.
因此我们必须将其首先放于母语中，有相应的理解，然后我们知道我们在说什么。
I thought that both my life and study in high school would be easier, it came out to be so stressful as a first year student.
我以为考上高中，学习生活肯定会轻松一点，没想到读高一会这样的紧张。
I have many future plans, the first is studying hard, so I can enter a good high school, only study in such school, I can have more chances to get into a better college.
我有很多的未来计划，第一是努力学习，这样我就能进入一所好的高中，只有在这样的高中学习，我才能有更多的机会进入一所好的大学。
Even the novice engages in effortful study at first, which is why beginners so often improve rapidly in playing golf, say, or in driving a car.
即便是新手刚开始也会努力钻研，这是为什么初学者在学打高尔夫球或开车时进步神速。
Study comes first so I should make new goal and improve my study method.
学习是第一位的所以我要制定新的目标并改善我的学习方法。
Rapp introduced into analytical methods in the study of technology philosophy, so he first filled the philosophy tradition which is lacking in technology philosophy study anciently.
拉普首次引进了分析的方法，弥补了以往技术哲学理论中所缺乏的注重分析的哲学传统。
But the design of impeller lie on flow-field of the inner of impeller, so the first step for improving performance of pump is to completely study the rule of flowing in the impeller.
而叶轮的设计则取决于叶轮内部介质的流动规律，因而搞清叶轮内的流动规律是设计高性能污水渣浆泵的前提。
But the design of impeller lie on flow-field of the inner of impeller, so the first step for improving performance of pump is to completely study the rule of flowing in the impeller.
而叶轮的设计则取决于叶轮内部介质的流动规律，因而搞清叶轮内的流动规律是设计高性能污水渣浆泵的前提。
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