这条缝隙大约有三英寸宽。

The gap is about three ___inches wide.

汽车在拥堵的车流中缓慢前行。

The car ___inched forward in the heavy traffic.

她一点一点地向前移动，每次只前进一小段距离。

She moved forward ___inch by ___inch, making slow progress.