One li is equal to half a kilometer.一华里等于半公里.After running half a kilometer, I began to feel tired.跑了500米之后, 我开始感到累了.Per square kilometer approximately has 200 residents.每平方公里大约有200居民....
One kilometer is equal to five eighths of a mile.一公里等于八分之五英里.Area area 131 square kilometer, its intertill ground accumulates 8044 hectare.区域面积131平方公里, 其中耕地面积8044公顷.The storm swirls around a 20 - to 40 - kilometer - wide...