Victoria is generally a safe and friendly environment for foreign students to study in.
维多利亚一般是一个安全和友好的环境，外国留学生。
Some classmates called me to study together but my parents said it was not safe.
一些同学打电话给我，但是我的父母一起去研究说它是不安全的。
But the antibodies to the human body is effective and safe, requires further study.
但这种抗体对人体是否有效和安全，仍有待进一步研究。
The dose usage in this study is safe.
本实验用药剂量安全。
Physics study is our safe body life's basic stone, never far no can forget physics.
物理学是我们安身立命的基石，永远不能忘记物理。
Physics study is our safe body life's basic stone, never far no can forget physics.
物理学是我们安身立命的基石，永远不能忘记物理。
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