But 13% of in-flight medical emergencies–roughly four a day–are serious enough to require a pilot to change course.
但机上医疗紧急情况中的13%——每天大约有四例——严重到需要飞行员改变航线。
Since the day of Heidi's attempted flight a great change had come over the child.
自从海蒂试图逃跑的那天起,这个孩子发生了很大的变化。
13% of in-flight medical emergencies—roughly four a day—are serious enough to require a pilot to change course.
飞机上医疗紧急情况中的13%——每天大约有四例——严重到需要飞行员改变航线。
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