个人预防措施，例如蚊帐；

personal preventive measures such as bednets;

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在测试中，现在皮埃尔博士要求每个人把自己的书放到教室前面来防止作弊，在他之前的二十年特拉华生涯中没有采用一项这样的预防措施。

During quizzes, Dr. St. Pierre now requires everyone to leave their books at the front of the classroom to prevent cheating, a precaution not taken during any of his two decades at Delaware.

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通过采取简单的预防措施，最终每个人都可以微笑着面对狗狗。

By taking simple precautions, everyone can end up with a smile on their face.

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