及物/不及物动词放宽，加宽，（使）变宽

及物动词

1. The city is widening this street.
该城正在拓宽这条街。

2. This road needs to be widened.
这条路需要加宽。

不及物动词

1. His outlook widened.
他的视野扩大了。

1. 加宽：widely 广泛地 | widen 加宽 | widespread 普及的

2. 加宽,变宽：wide 宽阔的,完全的,充分的 | widen 加宽,变宽 | widespread 分布广的,普遍的

3. 加宽,扩大 vi.变宽,变阔扩大：widely 广泛地,普遍地;广博地;大大地 | widen 加宽,扩大 vi.变宽,变阔扩大 | widespread 分布广的,普遍的

1. （使）变宽;（把…）加宽
If you widen something or if it widens, it becomes greater in measurement from one side or edge to the other.

e.g. He had an operation last year to widen a heart artery...
去年他接受了一个扩张心脏动脉的手术。
e.g. The river widens considerably as it begins to turn east.
河流转向东流时河道大幅度变宽。