a half

常见例句

The pair performed external experiments on the Salyut station and remained outside their Soyuz capsule for more than three-and-a-half hours.
这对宇航员在礼炮号空间站进行外太空实验，并在联盟号密封舱外面停留超过三个半小时。
He added: “Knowing that they need nine-and-a-half hours' sleep, you should track that back from when they get up and make sure their room is dark with no TV on from then.
他补充道：“既然知道他们需要九个半小时的睡眠，你们就应该从他们起床的时间往回推算，确保在那个时间，他们的房间关了电视是黑的。”
Each robot “can do the work of two-and-a-half human laborers,” so that humans might be free to have “no other task, no other work, no other cares” than perfecting themselves.
每个机器人“能够胜任两个半普通工人的工作量”，这样人们就可以无忧无虑地享受无任务，无工作，无忧虑的生活，而不用事事亲历亲为。

The three-and-a-half percent growth was the first expansion in more than a year, and the strongest in two years.
Elliott Gorn, a wonderful historian up at Brown, wrote a brilliant, fascinating, half-crazy essay once about eye-gouging and Southern fighting.
艾略特·龚是布朗时期一个伟大的历史家,他写了一本很有趣,很引人入胜,口味很重的一本小说,是关于南方式打架和挖眼珠的
耶鲁公开课 - 美国内战与重建课程节选
We have about two-and-a-half chapters, 15:22 until chapter 18, that recounts, then, the journey towards Sinai.
我们已读了两个半章，15章22节到18章，讲述了通往西奈山的旅途。
耶鲁公开课 - 旧约导论课程节选

But at least your penny-and-a-half of profit on the sales dollar comes with a scant dose of capital.
FORBES: At your service
Ana, Ramon and their children have lived this separated family life for two-and-a-half years.
NPR: A Family's Wait for U.S. Visas Spans Generations
About three-and-a-half years ago, Kinnier joined Khosla Ventures, first as an entrepreneur-in-residence, then becoming a partner.
FORBES: NEA Names Former Google Exec Alex Kinnier Partner