到20世纪，美国俚语有了突飞猛进的发展的翻译：By 20th century United States slang has a rapid development 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

To the 20th century, American slang has been rapid development

By 20th century United States slang has a rapid development

To the 20th century, the American slang had the development which progresses by leaps and bounds

The 20th century, the United States is the rapid development of slang

By 20th century United States slang has a rapid development