We had to use an AOL chat room and dial up service.

我们用的是AOL的聊天室和电话拨号上网服务。

Onlookers also helped, with some providing umbrellas for shelter, while others dialed emergency services for immediate medical assistance.

身边的人见状也纷纷上前搭把手，有的全程跪地打伞遮雨，有的帮忙拨打 120 和 110。

The next day you have dial service.

第二天您就有拨号服务。

They get changed over to dial service effectively overnight.

他们一夜之间就有效地转变为拨号服务。

My section, section B, tried to have HBS's first online class. We had to use an AOL chat room and dial up service. Your parents can explain to you later what dial-up service is.

我所在的小组Section B曾尝试进行HBS的第一次在线课程。我们用的是AOL的聊天室和电话拨号上网服务。你们的父母可以向你们解释什么是拨号上网。