unaccented

音標發(fā)音

I'm amazed at how clear and unaccented their English is.
她們的英語講得如此吐字清晰而且沒有口音，這讓我很喫驚。
Some can't get over the fact that there are English-language schools in China, while others don't understand why there are Chinese children in China speaking perfect, unaccented English.
有些人喫驚地無法相信中國還有英語學校，而有些人則不明白爲什麼這裡還有中國孩子能說一口地道的英語。
Cities are in a region of a country and have a name (in two versions: a plain, unaccented ASCII name and a foreign-characters name), a population (if known), and geographical coordinates.
城市位於一個國家的某個地區(qū)竝擁有一個名稱（有兩種名稱版本：一個簡單的、無重音的 ASCII 名稱和一個外國字符名稱），一個人口數(shù)（如果已知）和地理坐標。

His English was American, flawless, unaccented.
ECONOMIST: Sam Bond? Sounds funny

spoken without any accent (= the way people from a particular country or area pronounce words)