span across 跨越
time span 时间跨度
span the gap 弥补差距
A: How long did the conference last?
A：会议持续了多久？
B: It spanned a whole week.
B：它持续了一整周。
1) 跨越，横跨
2) 持续（时间）
3) 涵盖，涉及
1. 跨越；横跨；涵盖
verb
1. To extend across an area or a period of time.
Synonym: cover, cross, bridge