美国宇航局表示，预测人员估计太空碎片将于4点21分经过空间站，宇航员们在约两小时之前的2点41分收到警报解除信号。
The crew was given the all-clear signal at 2:41 p.m., NASA said, less than two hours before the 4:21 p.m. estimate officials had given for when the debris was expected to pass by the station.
警报响起十分钟后，危险解除的信号就响了。
The all clear was sounded about 10 minutes after the alert was given.
尽管有解除禁令的信号，但出货量一直没有恢复。
And despite signals that it was lifting the ban, shipments have not resumed.
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