n.铅锤；铅垂线
vi.垂直落下；暴跌
Just watch your electricity bills plummet! 您的电费帐单将直线下降!
House prices have plummeted in this area. 此地房价大跌。
Our economy would plummet into the abyss of national economic ruin. 我们的经济将会陷入全面崩溃的深渊。
