| 词组 | roller coaster |
| 释义 | roller coaster a situation which changes suddenly and often between being good and being bad. The Norwegian stockmarket has been on a roller coaster during the past 18 months. What the book does describe very well is the emotional roller-coaster of puberty. |
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英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。