It is the tip of a substantial iceberg.

这只是冰。

But a maternal death is only the tip of the iceberg.

但是孕产期死亡仅仅是冰的。

The sheer size of the icebergs is humbling.

冰的实际尺寸是令人震撼的。

Close ups of lava are just the tip of the iceberg.

熔岩的特写镜头只是冰。

So in a sense it's just the tip of the iceberg.

所以从某种意义上说，这只是冰。

Perhaps in an effort to be heard over cracking icebergs.

许这是蓝鲸为了盖过冰川碎裂声，让同伴听到自己的声音。

Meanwhile, near another iceberg, the female walruses are teaching their pups to swim.

与此同时，在另座冰附近，雌性海象正在教它们的幼崽游泳。

Scientists named Antarctic icebergs based on what?

科学家给南极冰命名的依据是什么？

We assume however that this is only the tip of the iceberg.

然而, 我们假设这只是冰。

So there's a lot of romaine or iceberg lettuce.

有很多长叶莴苣和卷心莴苣。

We have polar bears and a real iceberg too!

我们有北极熊，还有真正的冰！

The Titanic also hit an iceberg and sank.

泰坦尼克号撞到冰并沉没。

The iceberg filled lagoon manages to reflect the lights in an incredibly beautiful way.

满是冰的泻湖以种难以置信的美丽方式反射着光线。

Yes, they're helpful, but really they're just the tip of the iceberg.

是的，它们很有帮助，但实际上它们只是冰。

We are just hitting the tip of this iceberg.

我们只是触及了冰。

The growing health concerns were just the tip of the iceberg.

日益增长的健康问题只是冰。

The ship hit icebergs and caused a heavy loss to the company.

这艘船撞上了冰，给公司造成了重大损失。

The Titanic was the first to sink after famously hitting a huge iceberg in 1912.

1912 年，众所周知，泰坦尼克号撞上了座巨大的冰，成为第艘沉沉没的奥林匹克级邮轮。

An iceberg that's 600 square miles broke off in Antarctica on Sunday.

周日，南极洲座600平方英里的冰发生了断裂。

This lesson has only touched the tip of the iceberg, right?

本节课的只是冰。