我校学生在安全无忧的环境中接受教育。
Students in our schools are taught in a safe, secure environment.
今年这一天的主题是教给学生们更多关于安全的知识，确保他们的生命安全。
The theme of the day this year is to give students more knowledge about safety and make sure their lives safe.
在这节课中，学生们学习如何安全有效地上网。
In this lesson, students learn how to surf the internet safely and effectively.
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