widenest

['waɪd(ə)n]
vt.
(使)变宽；使扩大：
(使)变宽；使扩大：
They are trying to widen the discussion to include environmental issues.
他们正在尽量拓宽讨论范围以纳入环境问题。
vi.
变宽；扩大：
变宽；扩大：
The gap between income and expenditure has widened to 11%.
收入和支出之间的差额已扩大到11%。