What do I know about the end of the first second?
这一秒的最后,是怎样呢？
Let's first take the first second, during the first second.
首先在第一秒钟内，在第一秒内。
And so during the first second this is the velocity as a function of time.
因此在第一秒内,速度根据时间而变化。
This nearly incomprehensible state is theorized to have existed for just a fraction of the first second of time.
理论预言，这个几乎无法理解的状态只存在了宇宙第一秒钟的极小一段时间。
I think you can find out if there is a possibility of romance within the first second of meeting someone, so-called love at first sight.
我想你就能知道是否有可能和某个人相见一两次就恋爱，也就是所谓的一见钟情。
The first runner to reach second base in the game was John Flaherty.
比赛中首先到达二垒的跑垒员是约翰•弗莱厄蒂。
All the students had their teeth X-rayed at the end of the first and second years.
所有的学生都在一年级和二年级结束时做了牙齿X 光检查。
Don't choose the first or second floor.
别去一楼二楼。
We carefully compared the first report with the second.
我们仔细比较了第一份报告和第二份报告。
In the first place you are not old, Conway. And in the second place, you are a very strong and appealing man.
首先，你不老，康韦。其次，你是个非常强壮、有魅力的男人。
Take the first right, then the second left.
在第一个路口向右拐，然后再在第二个路口向左拐。
The first picture was taken from the side of the building, and the second one endways on.
第一张照片照的是楼房侧面，第二张照的是楼房正面。
The second half of the game was dull by comparison with the first.
与上半场相比，比赛的下半场有些沉闷。
The second paragraph startled me even more than the first.
第二段甚至比第一段更让我吃惊。
He incurred a ten-second penalty in the first round.
他在第一轮受到停赛十秒钟的处罚。
The second rainbow will be bigger than the first, and directly above it.
第二道彩虹将比第一道更大，并位于第一道的正上方。
For the first time in the World Cup finals, lots had to be drawn to decide who would finish second and third.
世界杯决赛中首次由抽签决定谁将获得第二名和第三名。
The second injection should only have been given once the first drug had taken effect.
第2针本应只在第1针见效后才能注射。
The development of an understanding of the self becomes evident between the first and second years of life and shows rapid elaboration in subsequent years.
对自我理解的发展在生命的头一两年间变得明显，在随后的几年里快速地变得详尽。
The first student went in winter, the second in spring.
第一个学生是冬天去的，第二个是春天去的。
Health is the first, and study is the second.
健康第一，学习第二。
"Fine clothes," said the first; "Pearls and diamonds," cried the second.
“好衣服，”第一个说；“珍珠和钻石，”第二个叫道。
First comes the test, second comes the lesson.
先来测试，再来是上课。
The teacher may require a second proposal if the first is off-topic or unclear.
如果第一个提议偏离主题或不清楚，老师可能要求我们再提交一份提议。
When the two groups were tested on what they'd learned, the second group "significantly outperformed" the first.
当对两组学生的学习内容进行测试时，第二组“明显优于”第一组。
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