| 词汇 | rapidity | 
| 释义 | rapidity  noun [ U ]  formal uk/rəˈpɪd.ə.ti/ us/rəˈpɪd.ə.t̬i/  快速,迅速,迅猛 the quality of being fast or sudden  the rapidity of changes in technology 技术变化的迅速   They fell in love with astonishing rapidity. 他们以惊人的速度坠入爱河。  See: rapid 
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