l coil (线圈 that is wound tightly. When the coil unwinds, it often jumps. So, we often say a person “has a spring in his step” if he is lively and active. He might even appear to jump, or bounce a little when he walks. There is another way we use “spring” as a description. In the case of a “spring chicken”, “spring” means
山西省太原市2018高三模拟考试(一)英语试卷附答案