I lived in New York for four years, so I know how to be safe at night.
我在纽约生活了四年,所以知道怎样在夜晚注意安全。
The children are learning how to be safe and sensible. Act the children.
小朋友们在学习安全知识和如何提高警惕。扮演他们。
But accidents can happen anywhere — even at your own house, and that's why you need to know how to be safe around water.
但是这种事情可能到处发生——甚至发生在自己的家里,因此你必须知道近水的安全问题。
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