“潜水艇”造句

潜水艇没等军舰靠近就及时潜入水下了。
The submarine had had time to submerge before the warship could approach.

不一会儿, 潜水艇内所有的东西都扣紧了.
Within a short time, everything on the submarine was buttoned up.

我们用声呐系统观察到两条潜水艇.
We picked up two submarines on sonar.