Stay well away from the helicopter when its blades start to rotate.

直升机的螺旋桨开始转动时，尽量离远点儿。

《牛津高阶英汉双解词典》

It's all designed to help kids stay well every day.

而本书的宗旨则在于帮助小朋友们过好每一天.

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It's safe to stay well behind the car in front to avoid runing into it.

离前面的车保持一段距离是安全的,以防追尾事故.

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