“土拨鼠扔木头”绕口令源于美国民间传说，土拨鼠(woodchuck)是一种小型哺乳动物，以挖掘洞穴而闻名。这个绕口令通过重复“wood”和“chuck”音节，考验发音的清晰度和语速，常被用于英语教学和语言游戏。 发音难点标记 “wood”：发音为 [wʊd]，注意 [w] 的 ...

俗话说：万丈高楼平地起。表达 “build something from the ground up（从地面开始构建某物）” 的意思是 “在毫无基础时，从头开始构建或创造某物”。这个表达可以用来谈论实体建筑或项目、系统、公司等非实体的事物。 例句 We built the new computer system from the ground up ...

今天要学的习惯用语中的关键单词是ground。 Ground这个词最普通的意思是地面。 01 今天要学的第一个习惯用语是：from the ground up。 From the ground up这个习惯用语来自建造房屋。建房的开头第一步是什么呢？我们都知道首先得从地面上破土动工打地基，接着才能一层 ...

On February 2nd, in a few small towns in Canada and the USA, people gather to see if a groundhog (an animal that looks like a big mouse) comes out of his hole in the ground and sees his shadow. It's a ...