Can users register to create their own user names, or are the names based on users' E-mail addresses or some other potentially well-known construct (first letter of first name plus last name)?

用户是否可以注册，以创建自己的用户名，或者名称基于用户的电子邮件地址或其他可能已知的构造(名的第一个字母加上姓)？

youdao

The purpose of an e-reader or a tablet is to function as a book; smaller, thinner, lightweight — no bigger than a standard paperback — plus comfortable and easy to read.

电子阅读器或者平板电脑的目标是充当书本：小一些、薄一些、轻一些——不要比标准的平装书大——阅读起来舒适容易。

youdao

In short, the E-Class embodies what it means to be a smart car: to communicate well with itself, the road and other cars, plus anticipating and responding to the needs of the driver and passengers.

简而言之，奔驰的E级轿车可以很好的诠释智能汽车这一定义：可以进行良好的自我控制，可以调整车体以适应路面，和其他车辆良好沟通，并且可以预见驾驶者和行人的各种行为并作出反应。

youdao

"They are going to work together in order to achieve the goals of the world -- that really, when you talk about the G20, you are talking about nineteen countries plus the E.U.

VOA: special.2009.10.02

Well, we would have to H+ have one of these hydrogen atoms go to an H plus, * plus an electron, right? **H --> H+ + e-** So, now we have a hydrogen ion here.

我们先要让,一个氢原子变成氢离子，加上一个电子，对么*,我们现在有一个氢离子了。

麻省理工公开课 - 固态化学导论课程节选

Hartmann tells us the E-Plus cellular operation will break even next year or in 2000.

FORBES: Ulrich Hartmann's second act

Its E-Plus provides cellular phone service to a customer base of 1.7 million, growing by 70, 000 new customers a month.

FORBES: Ulrich Hartmann's second act

The Germany segment includes E-Plus, Blau Mobilfunk and Magnum.

FORBES: #954 KPN