broaden

vt.& vi.使。。变宽，扩展；放宽；扩大；加宽

网络解释.展宽；放宽；使扩大；拓宽

词形变化:

过去式：broadened 过去式：broadened 过去式：broadening 过去式：broadens

broaden one's horizons 1 . 开阔眼界；扩大兴趣、活动范围和知识面

v.1.加宽,伸展释义下的同义词

up extend dilate distend spread swell open enlarge expand stretch out deepen widen

2.增加释义下的同义词

augment develop add to increase supplement