A：I hear scientists in the US have discovered a new AIDS vaccine.
我聽說美國的科學家發(fā)明了新的艾滋病疫苗。
B：Does it work?
它有效嗎?
A：I don’t know. The report says it is better than the old vaccines.
我不知道。報告說它比舊的疫苗有用。
B：Don’t count on it. I think the best way to prevent AIDS is to keep yourself clean by having clean sex and keeping a regular sex partner.
不要依賴疫苗。我覺得預防艾滋病的最好方式是通過擁有干凈的性關系和固定的性伴侶保持自身的干凈。
A：Right. That’s why doctor say AIDS prevention means cleanness.
說得對。那就是為什么醫(yī)生說艾滋病的預防在于潔凈。
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