verb [vt. 及物动词]（使）变宽，加宽；（使）扩展，程度加深，范围扩大；（尤因惊讶或恐惧而眼睛）睁大They may have to widen the road to cope with the increase in traffic.他们可能得拓宽这条道路以适应车辆的增多。