在开始之前把炭火烧旺很重要。
It is important to get the coals white-hot before you start.
在建造开始之前至少需要一年的准备工作。
At least a year's preparatory work will be necessary before building can start.
柯林斯甚至在面试开始之前就处于暴躁情绪。
Collins was in a foul mood even before the interviews began.
在行动开始之前，他们空军部队的战斗力就已经被瓦解了。
你可能在开始之前就有挫败感。
在审判开始之前，他们不会有任何事情要记录。
They can't have anything to put down yet, before the trial's begun.
莱尔的进化方法本质上是受限制的，因为地球早在生命和进化开始之前就存在了。
Lyell's evolutionary approach is intrinsically limited because Earth existed long before life and evolution began.
甚至在学期开始之前，他所有的课都已经满了，因为许多渴望学习的学生已经预定了。
All of his classes were all full even before the semester began because many students who were eager to learn already booked in.
回收部分的最后一步与加热和制浆的生产过程的最后一步相似——在循环再次开始之前。
The last step in the recycling section is similar to the last step in the production process with heating and pulping—before the cycle begins again.
但在开始之前，我想让你们花点时间思考一下：有谁知道，当今美国最流行的房子样式是什么吗？
But before we get started, I want you to take a moment to think: does anyone know what the single most popular style for a house in the United States is today?
鉴于在研究开始之前，大部分人说他们宁愿逐渐减少吸烟量直到戒烟，因此这个戒烟率是特别可信的。
The quit rates were particularly convincing given that before the study started, most of the people had said they'd rather cut down gradually before quitting.
鉴于在研究开始之前，大部分人说他们更愿逐渐减少吸烟量直到戒烟，因此这个戒烟率是特别可信的。
And the quit rates were particularly convincing given that before the study started, most of the people had said they'd rather cut down gradually before quitting.
在每个阶段中，您必须在下一个阶段开始之前，通过执行一个或多个微迭代来实现一个主要的里程碑。
Within each phase, you must achieve a major milestone via the execution of one or more micro iterations before the next phase can begin.
除了生命损失的悲剧之外，加利福尼亚的事故甚至在太空旅游尚未真正开始之前就给它的未来蒙上了一层阴影。
On top of the tragic loss of life, the accident in California will cast a long shadow over the future of space tourism, even before it has properly begun.
"这本书将详细地介绍有关小冰河时期和其它气候变化的研究过程，但是，在我开始之前，让我先介绍一下历史背景。
This book will provide a detailed examination of the Little Ice Age and other climatic shifts, but, before I embark on that, let me provide a historical context.
在电影开始之前，每个女士都应邀吃点小吃。
Before the film began, each woman was asked to help herself to a snack.
在新学期开始之前制定一个计划对我们来说是非常重要的。
It's very important for us to make a plan before a new term begins.
在我开始之前，给你们看一些幻灯片。
游戏开始之前，你应该伸展你的四肢。
Before playing a game you should stretch your legs and arms.
但在开始之前，让我先庆祝一下数据做得非常好的两件事。
But at the outset let me celebrate two things data does really well.
在开始之前一定要做演讲练习。
你是否在开始之前就看到了失败？
他在12节开始之前，他祷告。
在开始之前，需要知道这一点。
婚礼仪式开始之前，拉贾尼睡着了。
实验开始之前，所有狗都知道猫。
All of them knew what a cat was before the experiment began.
在开始之前，确保拥有必要的组件。
Before you begin, make sure you have the necessary components to follow along.
协议需要在工作开始之前就到位。
The agreement needed to be in place prior to commencing the work.
我开始之前，他们只是排在数据库里。
开始之前还有另外一件事。
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