51区的工作人员不得不经常中断这种测试，匆忙地将这些样机送到“紧急藏身处”，以免它们被苏联间谍卫星发现。
Area 51 staff had to regularly interrupt such tests and hurry prototypes into "hoot-and-scoot sheds", lest they are detected by Soviet spy satellites.
你需要细心处理那些小问题，以免它们演变成大问题。
The main idea is to take care of small issues now before they turn into major problems.
有些蛇类会致命，因此务必不要靠得太近，以免它们咬到您。
Some snakes are deadly, so make sure to avoid getting close enough for any to bite you.
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