adj. （船）备有龙骨的
v. （船）倾覆，翻倒；（非正式）跌倒，倒塌（keel 的过去式和过去分词）
1.Genetic scans can also provide a new, more even-keeled perspective on viral history, Feschotte says.
Freschotte提到，基因扫描可以从更新颖更根本的视角来研究病毒历史。
2.I kept this up until I had looked everywhere, and finally I became so exhausted that I just keeled over with a heart attack and died.
我一直，直到我到处找，终于让我变得如此疲惫，我只是倾覆心脏病发作而死亡。
3.The structure had keeled over in the high winds.
那座建筑物让大风给刮倒了。
4.Introverts tend to be much more even-keeled and level than extroverts.
相比外向的人而言，内向的人更容易平静下来。
5.The boat pitched suddenly and keeled over.
船突然上下颠簸，接著就倾覆了。
6.Banks around the world keeled over during the credit crisis.
在信贷危机期间，全世界的银行都出现问题。
7.He must have drunk too much; when he tried to stand up, he keeled over.
他肯定是喝多了，当他要站起来时，却摔倒在地上。
8.My dog was fine and then one day he just keeled over.
我的狗一直很好，但是有一天它倒下死去了。