The accent comes from American boarding schools in New England where students were taught to speak English in more of an RP(Received Pronunciation)or high-class British way.

新英格兰的寄宿学校中，学生们曾被要求模仿标准发音或上层英国人的英式发音，由此诞生了这种中大西洋口音。

youdao

RP (Received pronunciation), the standard accent in British English, has been the most fully described English pronunciation model up till now.

即英国英语标准发音，是迄今为止描述得最为完备的一种英语发音模式。

youdao

The British pronunciations given are those of younger speakers of General British. This includes RP (Received pronunciation) and arrange of similar accents which are not strongly regional.

标出的英式读音为较年轻的人使用的通用英语读音，其中包括标准读音和一系列地方音不太重的类似口音。

youdao