是boat，都含有[əu]  Our boat foundered on a reef.

我们的船触礁沉没。

The boat beached on a mud flat.

船在泥沼上搁浅了。

The boat heaved beneath them.

小船在他们脚下颠簸着。

The boat chugged slowly along.

船突突地缓慢前进。

The boat was going under fast.

小船正迅速下沉。