plunged
/plʌndʒ/
动词
（使）（某人或某物）骤然移动，骤然下降
Niagara Falls plunges 55.5 metres.
尼亚加拉大瀑布落差为55.5米。
（价值或程度）暴跌，骤降
Our income has plunged dramatically.
我们的收入骤减。
/plʌndʒ/
名词
暴跌，骤降
We are expecting a plunge in profits this year.
我们预计今年利润将大幅下降。
跳入；下跌；落下
I really enjoyed my plunge (= jumping in and swimming) in the pool.
我很喜欢在游泳池里跳水游泳。