不认识认识

kilometer 英 ['kɪləˌmi:tə] 　美 [kɪˈlɑmɪtɚ, ˈkɪləˌmitɚ]

设置

kilometer

n. [计量] 公里；[计量] 千米（等于kilometre）　

名词复数:kilometers　

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.

1. One li is equal to half a kilometer.

一华里等于半公里.
2. After running half a kilometer, I began to feel tired.

跑了500米之后, 我开始感到累了.
3. How many millimeters are there in a kilometer?

一公里有多少毫米?

kilometer (n.) "one thousand meters," 1810, from French kilomètre (1795); see kilo- + meter (n.2). Related: Kilometric.