plummet [ˈplʌmɪt] v.(价值或数量)骤然下降,暴跌;(从高处突然而快速地)坠落,掉下例句 Scientists have pinpointed the exact age at which your chances of reaching fluency in a second language seem to plummet: 10.【2018-5 《时代周刊》】科学家们指出了
例句 Scientists have pinpointed the exact age at which your chances of reaching fluency in a second language seem to plummet: 10.【2018-5 《时代周刊》】 科学家们指出了人们流利习得第二语言的可能性似乎开始骤然下降 的确切年龄:10 岁。