我们必须好好准备，一定不要有差错。
一个国家必须冒一定风险来成就伟大的事业。
必须办理一定的手续方能移居他国。
Certain formalities have to be gone through before you can emigrate.
你会受到一定程度的批评，但这是你必须面对的。
You are going to have to take a certain amount of criticism, but you must cope with it.
一项新法律详细规定了房子必须与水域相隔一定的距离。
A new law specified that houses must be a certain distance back from the water.
它毕竟是一个简单的球窝关节；它有一定的载荷；它在有限的生命中需要可靠性；它必须包含适合工作环境的材料。
It is after all a simple ball and socket joint; it has certain loads imposed on it; it needs reliability over a defined life; it must contain materials suitable for the working environment.
空乘人员、消防员和警察必须超过一定的身高，并身体健康。
Flight attendants, firefighters and police officers have to be over a certain height, and be physically fit.
空乘人员、消防员和警察必须超过一定的身高，并且身体健康。
Flight attendants, firefighters, and police officers have to be over a certain height, and be physically fit.
为了获得资助和工作，你必须与之相关，并取得一定程度的公众认可。
To get grants and jobs, you have to be relevant and achieve some level of public recognition.
你必须按照一定的顺序来读这本书，就像读一个句子一样。
You have to read the book in a certain sequence, rather like a sentence itself.
当医生说他的右腿必须从膝盖以上6英寸处切除时，他一定感到绝望了。
He must have felt hopeless when the doctor said his right leg would have to be cut off 6 inches above the knee.
您必须得有一定的自信才能在别人面前嘲笑自己。
You have to be at least a bit self assured to laugh at yourself in front of others.
为了把这些物理量同我们不是很理解的这个量联系起来，我们必须对斜率有一定的了解。
In order to relate turning these physical knobs to this quantity, which we don't have a very good feel for, we've got to have a feel for the slopes.
这些任务必须按一定次序去执行。
约瑟夫了解到，一个农民必须具备一定的心态才能成功地作出转变。
Joseph has learned that a farmer has to have a certain mindset to successfully convert.
伊朗强烈的经济民族主义的周期性高涨，一定程度上必须被理解为对英国在伊朗的商业与英国政府之间密切关系的反应。
Periodic surges of intense Iranian economic nationalism must be understood partly as a reaction to the close relations between British business in Iran and the British government.
它还必须能容纳在一定的空间内。
每人必须筹集5000美元，并且对某个项目有一定的想法，才能在火车上得到一个座位。
To get a place on the train, each person has to raise $5,000 and have an idea for a project.
这样，你就知道就必须在一定的日期完成每项任务。
This way, you know you have to finish each task by a certain date.
它们必须在一定程度上被分开。
它常常需要一定程度的定制，并且必须按照满足您需要的方式安装并设置。
It usually requires a degree of customization, and it must be installed and set up in a way that meets your needs.
( 写作) 我们必须承认，那些反对此观点的人们也有一定的道理。
Admittedly, those who oppose to the viewpoint also have their reasons to a certain extent.
如果涉及到资金的帮助，一定不能是无限的，必须予以说明。
If financial help is involved, it cannot be infinite and that must be explained.
那就是说无论你要在空间里做什么，必须要拥有一定的物质。
Now that means wherever you have extendedness in space you must have matter.
要考入英国的医学学校必须获得一定的分数，然而我没有。
To get into medical school in England, however, you have to earn grades of a certain level, and I didn't.
动能就是，当你要推某些东西，或移动它，必须克服一定的惯性。
Kinetic energy is really when you push something or when you try to make it move and you have to put some inertia to it.
当然，这必须符合一定的条件，即储蓄帐户中必须有足够多的钱来补偿透支的金额。
Of course, conditions must be checked to ensure that the savings account in question has enough money in it to make up for the overage.
他知道，你必须有一定的规模来维持生意。
He knew that you had to have a certain size to stay in business.
他知道，你必须有一定的规模来维持生意。
He knew that you had to have a certain size to stay in business.
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