Flight number556 will be delayed. The delay is due to mechanical difficulties.
航班延迟了，延迟原因是机械问题。
Last year, we had a lot of mechanical difficulties and couldn't get the hull up to speed.
去年，我们有许多机械上的问题，没能使壳达到高速。
"They hadn't had any major mechanical difficulties with it until last week," sheriff's spokesman James Hartman said Tuesday.
直到上个星期，这家人从没碰到过任何大的机械故障，“治安官发言人詹姆斯·哈特曼在周二说。”
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