1·然后在水迷宫训练后的第1、7、14天，应用免疫组化染色检测齿状回神经干细胞的增殖及存活情况。
The proliferation and survival of neural stem cells were detected with immunohistochemical staining at 1 7 and 14 days after training.
2·我把1错当成7了。
I misread the 1 as a 7.
—— 《牛津词典》
3·1、3、5和7是奇数。
1, 3, 5 and 7 are odd numbers.
—— 《牛津词典》
4·7除以2，商3余1。
Divide 2 into 7, and the answer is 3, remainder 1.
—— 《牛津词典》
5·英国网球头号种子选手昨天以7-6和6-3轻松击败美国选手布莱恩·盖罗。
Britain's tennis No 1 yesterday overpowered American Brian Garrow 7-6, 6-3.
—— 《柯林斯英汉双解大词典》
6·如果将这个范围划分为10个区间，你发现自己处于第7位，那么试图说服处于第1位的人就没有什么意义了。
If you divide this spectrum into 10 units and you find yourself at Position 7, then there is little sense in trying to convince someone at Position 1.
7·我想01273开头的那个是旧号码，所以用这个号码吧：01444732900。
I think the one that begins 0-1-2-7-3 is an old one so use this one: it's 0-1-4-double 4-7-3-2-9-double zero.
8·塑料通常标有一个标识码，上面有一个回收符号和一个从1到7的数字。
Plastics are usually marked with an identification code that shows a recycling symbol and a number from 1 to 7.
9·作为一名厨师，我每天3：30分开始工作，直到下午一点，或者从上午11点工作到下午6-7点钟。
As a cook, we would start at 3:30 a.m. and get out at 1 p.m., or work 11 a.m. to 6 to 7 p.m.
10·这在图1中被列举7图1显示了今天软件从业者使用的建模方法的光谱。
This is illustrated in Figure 1, 7 which shows the spectrum of modeling approaches in use by software practitioners today.