1650s, from French rapidité and directly from Latin rapiditatem (nominative rapiditas) "swiftness, rapidity, velocity," from rapidus "hasty, swift, rapid" (see rapid).
权威例句
1. The water rushed through the holes with great rapidity.
湍急的水流奔涌过洞口。
2. The styles change with bewildering rapidity.
风格多变,令人应接不暇.
3. Animal and vegetable pests spread with extreme rapidity.
动植物疫害传播极快.
4. The soldiers loaded and discharged with great rapidity.
士兵们迅速装子弹发射.
5. The film shows the rapidity of the changes in this area of medicine.