詞語：roller coaster
roller coaster是什麼意思
簡明英漢詞典
roller coaster
過山車
美國傳統詞典[雙解]
roller coaster
roller coaster
n.（名詞）
(1)A steep, sharply curving elevated railway with small open passenger cars that is operated at high speeds as a ride, especially in an amusement park.
翻滾過山車, 雲霄飛車：一種上有敞篷的小型車廂且快速行駛的有急轉彎的大坡度高架軌道，尤指遊樂園中的乘坐裝置
(2)Something, such as an action, event, or experience, that is marked by abrupt, extreme changes in circumstance, quality, or behavior:
急轉突變的行為、事件或經歷：指環境、品質或行為上發生了突忽而極端變化的東西：
「the demographic roller coaster caused by the baby boom」(American Demographics)
「由於出生率激增而引起的人口統計學上的急轉突變事件」(美國人口統計數據)
現代英漢詞典
roller coaster
n.
(1)（遊樂場中的）過山車
(2)（情緒等的）急轉突變
美國傳統詞典
roller coaster
roller coaster
n.
(1)A steep, sharply curving elevated railway with small open passenger cars that is operated at high speeds as a ride, especially in an amusement park.
(2)Something, such as an action, event, or experience, that is marked by abrupt, extreme changes in circumstance, quality, or behavior:
「the demographic roller coaster caused by the baby boom」(American Demographics)
英漢電信大詞典
roller coaster
滾軸飛輪