Think blowing puffs of steam away from your cup of tea.

想想从你的茶杯上吹走一些蒸汽。

Apparently the Jap minelayer had exhausted its supply of depth charges, and steamed away.

显然，日本布雷舰已经耗尽了它的深水炸弹供应， 然后离开了。

She may have slackened speed for an hour, but before we know it she'll be steaming away again.

她可能已经放慢了一个小时的速度， 但在我们知道之前她会再次开走。