俚语pushed the envelope竭尽所能 2025-01-26 | 分类：英语常识 | 浏览:1999pushed the envelope竭尽所能Slang (来源：www.2hzz.com)Quote I’ve pushed the envel
Push the envelope 2017-05-12 | 分类：英语常识 | 浏览:1999Reader question:Please explain this sentence: “Our reason to exist is to push th
