名词
中文翻译：公里
同义词：
['mile', 'kilometer例句：1. The distance between the two cities is approximately 50 kilometers.（两座城市之间的距离大约是50公里。）']
例句：
-
1. The distance between the two cities is approximately 50 kilometers.
两座城市之间的距离大约是50公里。
-
2. He walked for miles to reach the summit of the mountain.
他走了好一会儿才到达山顶。
-
3.We need to calculate the distance between our homes and school in kilometers.
我们需要计算我们家和学校之间的公里数。