Roller-coaster
n. 过山车
📖 牛津释义
roller-coaster
(Brit also switchback), n type of railway with open cars, tight turns and very steep slopes (found in funfairs, amusement parks, etc) 过山车, 云霄飞车（游乐场、 娱乐园等处的惊险游戏车）.
🧩 词语组成解析
n. 沿海航行者/贸易者, 沿海航船, 带轮银盘, 杯托, (酒瓶)垫子\\n[经] 沿海贸易船
🗣️ 情景例句
Dad often works late,
爸爸老是工作到很晚，
What's your plan for the summer holiday?
暑假计划干什么？
an ancient, exquisite, powerful message.
一个源远流长、高雅而有力的信息。