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来源:雅诚德英语网
On the couple's second kiss, scientists were able to detect the volume of bacteria transferred to the other partner.
科学家能测出情侣在第二次接吻时转移细菌的总量。
On the couple's second kiss, scientists were able to detect the volume of bacteria transferred to the other partner.
科学家能测出情侣在第二次接吻时转移细菌的总量。