It is the tip of a substantial iceberg.

这只冰山一角。

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

但孕产期死亡仅仅冰山的一角。

The sheer size of the icebergs is humbling.

冰山的实际令人震撼的。

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

熔岩的特写镜头只冰山一角。

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

所以从某种意义上说，这只冰山一角。

Perhaps in an effort to be heard over cracking icebergs.

许这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，在另一座冰山附近，雌性海象正在教它们的幼崽游泳。

Scientists named Antarctic icebergs based on what?

科学家给南极冰山命名的依据什么？

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

然而, 我们假设这只冰山一角。

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，还有真正的冰山！

The Titanic also hit an iceberg and sank.

泰坦尼克号撞到冰山并沉没。

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

满冰山的泻湖以一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.

的，它们很有帮助，但实际上它们只冰山一角。

We are just hitting the tip of this iceberg.

我们只触及了冰山一角。

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

日益增长的健康问题只冰山一角。

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

这艘船撞上了冰山，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 ，众所周知，泰坦尼克号撞上了一座巨大的冰山，成为第一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，南极洲一座600平方英里的冰山发生了断裂。

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

本节课讲的只冰山一角。