Also all submarines make some engine noise. But no such noise accompanied the quackers.

此外，所有的潜水艇都会发现引擎的声音，而且没有并引擎的声音随着蛙叫声。

youdao

But no matter what he did, he could not get the engine to start.

但是，不论他怎么办，都启动不了发动机。

youdao

Approach no closer than 100 meters, then stop the boat but keep the engine on.

靠近鲸鱼但不要小于100米的距离，然后停止了船，但保留引擎运转。

youdao

Approach no closer than 100 meters, then stop the boat but keep the engine on.

靠近鲸鱼但不要小于100米的距离，然后停止了船，但保留引擎运转。

youdao