1. The 787 represents a leap in the way planes are designed and built, but the project has been plagued by cost overruns and years of delays.
2. China has achieved a leap forward in the field of economic legislation in recent years.
3. But in the 30 years since, the market has taken a Great Leap Forward.
4. leap years在线翻译
4. There was a qualitative leap eight years later in Beijing's hardware and software construction.
5. Four fragrant pigs at the Shanghai Zoo have lived in harmony with a leap of leopards for the past four years.
6. leap years在线翻译
6. Leap days occur once every four years because it takes 365 days plus six hours for our planet to complete an orbit around the Sun.
7. Forestry authorities have built 763 nature reserves across the country in the past three years, a remarkable leap forward for China's environmental protection efforts.
8. And this year's leap second will be the first for seven years.
9. It has taken the Pearl River Delta nearly 30 years to complete the first leap and now it is ready for the second.
10. " There will be a leap in development of Liaoyang in five years, " he said.