I collapsed to my knees and keeled over .

我倒下了我的膝盖和倾覆。

Glumes laxly appressed to floret , distinctly keeled .

颖片稀松的贴伏于小花，明显龙骨状。

Perianth segments above wing abaxially neither green nor fleshy keeled .

翅上面花被片背面的既不绿色也不肉质脊。

Several cadets keeled over from heat during the parade .

有几个军校学生在检阅时因天气炎热晕倒了。

When the principal told the girl her father died , she keeled right over .

校长告诉这女孩她父亲去世时，她当场昏了过去。