Patient began coughing four days ago. The development of fever is unknown.

患者4天前开始咳嗽，发烧情况未知。

属类：学习英语-Ask a Teacher 名师答疑-名师答疑：关于Develop这个单词

Most highways in the U.S. are wide enough for three or four cars to travel side-by-side. Many areas require that slow drivers drive in the far-right lane. Faster moving traffic operates in the middle lanes. The fastest cars drive on the far-left side -- also called the fast lane.

美国大部分公路的宽度足够三四辆车并排开。许多地区要求开得慢的司机在最右侧车道行驶，更快的车流在中间车道行驶，开得最快的司机在最左边车道也就是快车道行驶。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：紧张刺激的生活

Each week, we tell the story of English language words and expressions. On our program today, we will talk about seasons. In some places, there are four: winter, spring, summer and autumn.

我们每周都会讲述英语词汇故事。在本期节目中，我们将会谈到季节。有些地方一年有四季：春、夏、秋、冬。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：晚年的多种表达

Great question! The answer will help many English learners. Here are four things you can do:

这个问题提得好。答案也将帮助到很多英语学习者。你可以做以下四点：

属类：学习英语-Ask a Teacher 名师答疑-名师答疑：如何提高词汇量

This expression comes from a failed bank robbery in Stockholm, Sweden. In August of 1973 bank robbers held four employees captive in the bank for six days.

这条短语出自瑞典斯德哥尔摩市一次失败的银行抢劫案。1973年8月，银行抢劫犯把这四名雇员在银行里挟持了6天。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：“别喝迷魂汤”和“斯德哥尔摩综合征”