The ARA San Juan is an Argentine submarine.

失踪的是一艘阿根廷潜艇“圣胡安”号。

AUKUS will help Australia build nuclear powered submarines.

AUKUS将帮助澳大利亚建造核动力潜艇。

It's like being on a submarine, right?

就像是在潜水艇上一样 对吧？

There are only two rules in diving a submarine.

保舱门关好。

You can take a submarine or you can drive.

你可以坐潜水艇或是自驾。

Under the sea and it's diving a submarine.

我们正在水下用潜水器潜水。

If we are to follow, we must use a submarine.

如果想跟下去，必须乘潜水艇。

We didn't want Soviet Union to find those submarines.

我们不想让苏联发现那些潜艇。

And they have built a special submarine for it, a completed achievement.

并且他们已经专门造好了一艘新潜艇，have built 是现在完成时。

Our radar detected three enemy submarines in our waters just moments ago.

不久前在我领海内我们的雷达侦测到3艘敌方潜水艇。

HMS Perseus was a submarine that was assigned to Alexandria in British Egypt.

HMS 珀尔修斯号是一艘被派往英属埃及亚历山大港的潜艇。

World War I brought the submarine, the warplane, the tank and chemical warfare.

一战带来了潜水艇，战斗机、坦克和化学战。

Now the tool is the submarine, the Limiting Factor.

这个工具是一台潜水艇， 叫做「限制因素」。

China has urged the U.S. to clarify an incident involving a U.S. nuclear submarine.

中国敦促美国对涉及美国核潜艇的事件进行澄清。

The drills will involve the same number of troops but will not include nuclear submarines.

这次军演的军队数量与以前一致，但不再包含核潜艇。

North Korea says it's built a submarine capable of launching an underwater nuclear attack.

朝鲜表示，它已经建造了一艘能够发动水下核攻击的潜艇。

And it just blew the submarines apart.

它把潜艇炸开了。

They center on Australia's decision to buy U.S. submarines and cancel a deal with France.

他们的焦点是澳大利亚决定购买美国潜艇，并取消与法国的协议。

Australia is expected to build as many as eight nuclear submarines.

澳大利亚预计将建造多达8艘核潜艇。

So David, how do submarines go underwater?

那么大卫，潜艇是怎么下水的呢？