McCain spent five and a half years in a prisoner-of-war camp in Vietnam.

麦凯恩在越南的一所战俘营里度过了五年半。

《柯林斯英汉双解大词典》

Even a slender diplodocus, once believed to have tipped the scales at five and a half tonnes when alive, has lost a tonne and a half from its weight.

即使是一个瘦形梁龙，曾经被认为在活着的时候重达5.5吨，现在也减重了1.5吨。

youdao

Normal people need eight to eight-and-a-half hours of sleep. These people sleep five and a half to six.

一般人需要八到八个半小时的睡眠，而这些人只需要睡五个半到六个小时。

youdao

The group's most recent complete study shows enrollment in computer sciences increased five and a half percent in two thousand nine.

VOA: special.2011.03.22

They're not bad, bad, they're not nightmares, but most dreams are from a scale of one to ten with five and a half in the middle they're on the negative side.

说它们不好，并不是说它们是噩梦，如果用1到10来评分,5。5为中间分值,大部份梦都是在5。5分以下。

耶鲁公开课 - 心理学导论课程节选

Five seven, well ok five six and a half is not enough to teach happiness?

米70。。。是1米69不够格传授快乐吗？

哈佛公开课 - 幸福课课程节选

The American Express fund, however, turned over its portfolio five and a half times as fast as AIM.

FORBES: Hidden Expenses

She now faces a maximum sentence of five and a half years in prison.

NPR: Harman Convicted for Role in Abu Ghraib Abuse

They followed them from birth until they reached around five and a half years of age.

BBC: A child is tested for allergic reactions.