网络释义
1)The kilometer is the biggest unit of length in the metric system.,公里是米制中最长的长度单位。(表示度、量、衡单位的用in)2)The length is measured in meter,kilometre,and centimetre.,长度是以米、公里、厘米为单位来计算的3)The foot is a unit of length.,尺是长度的单位。4)Millimeter is a unit of length.,毫米是长度单位。5)A meter is a measure of length.,米是长度单位。6)The metre is a unit of length.,米是长度单位.