The test fly lasted nearly two hours.

测试飞行持续了近两个小时。

Boeing has completed a test fly of 787 Dreamliner jet.

波音公司已完成787梦幻客机的飞行测试。

And the researchers haven't actually tested flies landing on food to see if they're dropping off bacteria.

研究人员还没有对落在食物上的苍蝇进行测试，查看它们是否会留下细菌。

He's having someone else test fly it which made me happy when I found out.

他让其他人试飞它， 当我发现时这让我很高兴。

On average, you need to fly between 60 and 70 hours to finish all of the training and to be ready to take the flying test to get your license.

平均而言，您需要飞行 60 至 70 小时才能完成所有培训并准备好参加飞行考试以获得执照。