They have this streamlined sternum with lower sternal keels.

它们拥有流线型的胸骨，龙骨突较低。

She keeled over sideways and lay there unconscious.

她倒向一旁，躺在那里不省人事了。

Mood stabilizers give the sufferer a more even keel to their life.

情绪稳定剂能使患者的生活更加稳定。

First, they made a keel, in two parts; then they made the ribs.

首先，他们做了一个龙骨，分成了两部分，然后又做了肋材。

At the core of the Syracusia story is a keel, or korone in Greek.

而叙拉古这个版本的核心是龙骨，在拉丁文中是korone。

Her keel was steady in the ocean.

她在海中停得很稳。

No, I am not on even keel.

不，我船没有平吃水。

So why were they the ones keeling over?

但为什么这些人反而死得更早呢？

I will be on even keel within 30 minutes.

我船将在30分钟内平吃水。

One day her nasty neighbor Karen Mccluskey would keel over and die.

有一天她讨厌的邻居Karen Mccluskey会突然倒地身亡。