span的中文意思、音标与词形变化

n. 指距, 全长, 跨距, 一段时间, 小范围 vt. 以手指测量, 跨越, 架设, 持续

n. the complete duration of something n. the distance or interval between two points n. a unit of length based on the width of the expanded human hand (usually taken as 9 inches)