v.垂直落下，骤然跌落( plummet的第三人称单数 )...

plummets的音标：...

As a result, blood sugar plummets, sometimes even going below the baseline.结果, 血糖浓度迅速掉落, 有时甚至落于基线之下.If this happens, the value of the semi - precious stones plummets.如果发生这种情形, 半宝石的价值就一落千丈.Result: The team batting average...