The number that you choose to rotate your letters by is what we call in cryptography, a key.

你选择的旋转字母的数量就是我们在密码学中所说的密匙。

youdao

She gave me the phone number for the nearest pharmacy so I could make arrangements with our pediatrician to call in prescriptions.

她给了我最近的药店的电话号码，这样我就可以和我们的儿科医生联系并且拿到药方。

youdao

You probably won't need to call—but take my number, just in case.

你很可能无需打电话，不过还是记下我的电话号码吧，以防万一。

《牛津词典》

The Millennium Development Goals for two thousand fifteen call for a fifty percent decrease in the number of people without safe drinking water and basic sanitation.

VOA: special.2010.04.05

All right so I probably should have chosen a shorter number 71 because now I can't figure it in here, but let's call it 71.

好的，我可能应该选择一个更短的数字,因为我不能指出它，我把它叫做。

哈佛公开课 - 计算机科学课程节选

The number that you choose to rotate your letters by is what we call in cryptography, a key.

你选择的旋转字母的数量,就是所谓的加密学，一个密钥。

哈佛公开课 - 计算机科学课程节选

Its first project, in 2001, allowed rural doctors in Peru to call an 800 number and either speak or type in details about a patient or a disease outbreak.

FORBES: Magazine Article

When the call comes in, the number is traced and the bounty hunter pounces.

ECONOMIST: Bounty-hunters

It also said it had drafted in extra call centre staff to handle an increase in the number of calls in the wake of the technical problem.

BBC: Tesco Bank faces fresh online access glitch