At one stage the probe lost contact with Earth for seven weeks, a glitch that added three years to its space voyage.
有一段时间探测器与地球中断联系了好几周，另一个故障则导致了它的空间探测旅程增加了三年时间。
They have lost contact for many years.
他们失去联系已有多年了。
He left home for work in 2000 and lost contact with his family three years later.
2000年他离开家乡外出打工，三年之后与家人失去了联系。
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