表达 “cover a lot of ground” 既可以按字面理解为 “跨越很长的距离”；也可以被用作一种比喻，表示 “提供的信息十分全面，或者教的内容涉及面很广”。这个表达用在教育领域时，通常用来描述 “传授的内容涵盖了很多知识点”。 例句 The book really covered a lot ...

它们使劲闻。它们跑。 The field mice run, the bears run, 田鼠跑了起来，熊跑了起来， the little snails run with their shells, 小蜗牛带着它们的壳跑了起来， and the squirrels run out of the trees, 松鼠们从树里跑了出来， the ground hogs run out of the ...

and the squirrels sleep in the trees, the ground hogs sleep in the ground. Now, they open their eyes. They sniff. and the squirrels sniff in the trees, the ground hog ...

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 ...

Jo: I'm Jo, this is BBC Learning English and you're listening to Authentic Real English. With me today is Helen. Helen: Hi Jo. 地道英语中介绍的一些英语表达， 你可能在英语课堂上学不到，但是它们在生活中却会经常出现。那今天的新表达是什么呢 Jo? Jo: Well ...