New Japanese cars averaged 13 km to the litre in 1981.
1981年，新型的日产汽车平均每升汽油能跑13千米。
The house is at an elevation of 2 , 000 metres.
那幢房子位于海拔两千米的高处.
One thousand metres go to the kilometre.
一千米为一公里.
For those uninitiated in scientific ocean drilling, the previous record was a little over 4 km.
对于那些不熟悉科学大洋钻探的人来说，之前的纪录是4千米多一点。
Today I really swam to my heart's content . I did 3,000 metres at a stretch.
今天我一口气游了三千米,真过瘾.
The island is 3.5 km in circumference.
这个岛周长3.5千米。
The helicopter flying at a height of 5,000 meters.
这架直升机正在五千米的高空飞行。
The moon is about 384,000 kilometres from the earth.
月球距离地球大约有384000千米.
His plane continued soaring at 5000 metres above sea level.
他的飞机一直在海拔五千米的高空飞行.
The overall length of the new bridge is 2,000 meters.
新桥全长两千米.
Temperature logs in bore holes down to several thousand metres are made by cable probes.
几千米钻孔用的温度测井装置是用电览探头做的.
The lunar highlands are scarred by innumerable craters ranging up to 236 km in diameter.
在月球的高地上留下无数环形山,有的直径达236千米.
The face of the mountain is about 1000 m high.
那山的正面大约有一千米高.
Then smells from 2 kilometers is hunted the animal the flavor.
距离2千米即可嗅到被捕猎动物的味道.
Light travels at a speed of 300,000 km per second.
光以每秒30万千米的速度传播.