by leaps and bounds的用法和樣例：
例句
- Mother was knitting fast and furious by the fire.
母親坐在爐火邊飛快地織著毛衣。 - He stood on the curb till a car shot by.
他站在路邊等車飛快地開過去。 - Successive seasons have seen Everest activity grow by leaps and bounds, and seen the Sherpas achieve some of the mountain's greatest achievements.
年復一年，埃佛勒斯峰的登山活動突飛猛進地發展，而夏爾巴人在登山活動中也贏得了一些卓著的功勛。
