1·因此，3乘以7的PostScript命令是3 7 mul。
So the PostScript command for multiplying 3 and 7 is 3 7 mul.
2·1、3、5和7是奇数。
1, 3, 5 and 7 are odd numbers.
—— 《牛津词典》
3·他们以7比3战胜了巨人队。
They beat the Giants by a score of 7 to 3.
—— 《柯林斯英汉双解大词典》
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·看，我有连着的3，4，6，7， 还有一张百搭牌作5。
Look. I have a straight of 3, 4, 6, 7 and the wild card for the 5.
—— 《柯林斯英汉双解大词典》
6·七减去三等于四。
Seven minus three is four (7 – 3 = 4).
—— 《牛津词典》
7·他把黑球击入袋中，以7:3领先。
He potted the black to take a 7–3 lead.
—— 《牛津词典》
8·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》
9·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.
10·你需要从早上7点工作到下午3点。
You are expected to work from 7 a.m. to 3 p.m.