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同学们首先以轻松愉快的话题引入了宣讲的主要内容。
First of all students relaxed and happy to introduce the topic of the main content of the lectures.
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尿床可是个不愉快的话题。尿床困扰着500万至700万名美国儿童。
Never a happy topic, bed wetting is a very distressing problemfor five to seven million American kids.
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尿床可是个不愉快的话题。尿床困扰着500万至700万名美国儿童。
Never a happy topic, bed wetting is a very distressing problem for five to seven million American kids.
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交谈的内容是有关自身安全和愉快的社交的话题。
Their conversation speaks of their own safe and comfortable society.
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尽管意外、疾病和死亡都是一些令人不愉快的话题,但我们应该面对它们。
Although accidents, illness and death are not unpleasure subjects. but we should look them in the face.