
Plummet: to fall suddenly and quickly from a high level or position 暴跌;速降
Share prices plummeted to an all-time low. 股票價格暴跌到歷史最低點.
Her spirits plummeted at the thought of meeting him again. 一想到又要見到他,她的心情便直往下沉.
The jet plummeted into a row of houses. 那架噴氣式飛機一頭栽進一排房子里.
Mitigate: to make something less harmful, serious, etc. 減輕;緩和
action to mitigate poverty 減輕貧窮的行動
Soil erosion was mitigated by the planting of trees. 植樹造林減輕了土壤侵蝕.
Take off: (of an idea, a product, etc. 觀念、產品等) to become successful or popular very quickly or suddenly 突然大受歡迎;迅速流行
The new magazine has really taken off. 這份新雜志真是大受歡迎.
Her singing career took off after her TV appearance. 她在電視上亮相后歌唱事業迅速起飛.
Shoot up: to rise suddenly by a large amount 陡增;猛漲;迅速上升
Ticket prices shot up last year. 去年票價猛漲.