1.ThetallestbuildingintheworldiscurrentlytheBurjKhalifainDubai.(迪拜的哈利法塔是目前世界上最高的建筑物)2.ThelongestriverintheworldistheNileRiverinAfrica.(非洲的尼罗河是世界上最长的河流)3.ThelargestcountryintheworldbylandareaisRussia.(
1. The tallest building in the world is currently the Burj Khalifa in Dubai. (迪拜的哈利法塔是目前世界上最高的建筑物)
2. The longest river in the world is the Nile River in Africa. (非洲的尼罗河是世界上最长的河流)
3. The largest country in the world by land area is Russia. (俄罗斯是世界上土地面积最大的国家)
4. The fastest animal in the world is the cheetah, which can reach speeds up to 70 miles per hour. (世界上最快的动物是猎豹，它的速度可以达到每小时70英里)
5. The highest mountain in the world is Mount Everest in the Himalayas. (喜马拉雅山脉的珠穆朗玛峰是世界上最高的山)
6. The largest ocean in the world is the Pacific Ocean. (太平洋是世界上最大的海洋)
7. The longest bridge in the world is the Danyang–Kunshan Grand Bridge in China. (中国的丹阳-昆山长江大桥是世界上最长的桥梁)
8. The smallest country in the world by land area is Vatican City. (梵蒂冈是世界上土地面积最小的国家)
9. The most populated country in the world is China. (中国是世界上人口最多的国家)
10. The largest desert in the world is the Sahara Desert in Africa. (非洲的撒哈拉沙漠是世界上最大的沙漠)
