I was doing a long, hard sum, and in rubbing out another sum to make room for it, I rubbed out the difficult one by mistake.

刚刚我正在做一个又长又难的法，我擦去另一个式子给它腾空时不小心把难的式子擦掉了。

Adding, reading, writing, riding a bike, nobody's good at anything at first.

法、阅读、写作、骑自行车，没有人一开始就擅长什么事情。

The pupil could add and subtract but hadn't learned to divide.

这名小学生能做法减法，但还没学做除法。

Numeracy is the ability to understand basic maths, count, and add up. Your signature is your name written in your own handwriting style. It shows that something has been written or agreed by you.

Numeracy是理解基本数学、计数法的能力。signature是用您自己的笔迹写的名字。它表明某事已由您书写或同意。

Holmes also needed-or at least would very much have appreciated, sophisticated gadgetry of a sort that could make very fine measurements from tiny samples, and as we have seen it was all he could do to get a simple adding machine.

霍姆斯还需要──至少很高兴拥有：一种能对细小样品进行精密测量的先进仪器，而我们已知道，他所能得到的不过是一台简单的法机。

After counting, many children learn to solve simple addition problems.

数完数后，许多孩子学着做简单的法。

Genuine superstars don't just add. They multiply.

真正的超级巨星不只是做法，而是成倍增长。

Yellow indicated the bee should subtract, while blue meant they should add.

黄色表示蜜蜂应该做减法，而蓝色表示蜜蜂应该做法。

Subtracting technology is just as important as adding it; the landscape must be balanced.

减法技术法技术同样重要；环境一定要保持平衡。

Oh, no, honey. She said you couldn't ADD.

不 宝贝儿 她是说你不做法。

The award-winning Iranian film director Jafar Panahi has reported to have been arrested.

据报道，获奖的伊朗电影导演法尔·帕纳伊已被逮捕。

Where do you stand on addition, subtraction, multiplication and division?

你的法与减法乘法与除法是什么情况？

One of the big fitness misconceptions is that in order to build muscle, you need to gain weight, thus you need to bulk, and in order to burn fat, you need to lose weight, and thus you must cut.

健身的一大误区是，增肌之前你需要增体重，因此你需要做法，而为了燃烧脂肪，你需要减肥，因此你必须做减法。

After running hundreds of tests, the researchers noted that the monkeys would go for the higher values more than half the time, indicating that they were performing a calculation, not just memorizing the value of each combination.

在进行了数百次试验之后，研究者们注意到在超过一半的情况下，猴子都选择奖励更多的那一边，表明它们做了法，而不仅仅是记住了每种组合的数值。

Chang and his colleague tested that link between temperature and performance by quizzing 543 German students on basic addition skills and word scrambles in rooms that varied from 60 to 90 degrees Fahrenheit.

张同事在60到90华氏度的房间里对543名德国学生进行了基本法技能单词组合测验，以此来测试室温与表现之间的关系。

In a previous video, I described affricates as being kind of like addition - one plus one equals two.

在之前的一个视频里，我说破擦音有点像法 —— 一一等于二。

It's like you can't memorize the 40-digit addition table, that's more atoms than there are in the universe.

你不可能记住 40 位法表，这比宇宙中的原子数都多。

The clerk has piles of papers, a rotary phone, and an adding machine on his desk.

办事员桌上有大叠大叠的文件、转盘式电话以及法机。

Researchers put honeybees through 100 trials to train them to add and subtract.

研究人员让蜜蜂进行了100次试验，以训练它们做法减法。

Next came the adding machine, a bookkeeping machine that was commonplace in offices until the 1970s.

接下来是法机，这是一种直到20世纪70年代在办公室里都很常见的记账机。