We're now in Washington D. C., the capital city of America.
我们现在在华盛顿特区，美国的首都。
A recent study has found that the Argentine capital of Buenos Aires is the noisiest city in Latin America.
最近的一项研究显示，阿根廷首都布宜诺斯艾利斯是拉丁美洲最嘈杂的城市。
The capital of America is a very interesting city to visit.
美国首都是一个很有趣的观光城市。
Although Washinton is the capital of America, it's only the ninth largest city in America.
虽然华盛顿是美国的首都，但是它仅仅是美国第九大城市。
Mexico is in the southern area of North America. Its national flower is a cactus. Its capital is Mexico City. Mexicans speak Spanish.
墨西哥位于北美洲的南部。墨西哥的国花是仙人掌。墨西哥的首都是墨西哥城。墨西哥人讲西班牙语。
The capital city in North America looks more beautiful with colorful maple leaves, scarlet wild apples full on trees, green grass every where, blue sky and the brilliance of the golden sun.
五颜六色的枫叶，满树鲜红的野苹果，绿草、蓝天，还有金色太阳光辉的映照，这个北美的都市越发变得美丽！
The capital city in North America looks more beautiful with colorful maple leaves, scarlet wild apples full on trees, green grass every where, blue sky and the brilliance of the golden sun.
五颜六色的枫叶，满树鲜红的野苹果，绿草、蓝天，还有金色太阳光辉的映照，这个北美的都市越发变得美丽！
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