比赛的第72分钟，重庆力帆的一次进攻再次无功而返。
The competition's 72nd minute, a Chongqing Lifan's attack idle work returns once more.
对分离的痘病毒进行动物致病性试验、病毒分离传代和致弱试验、致弱毒保护力试验和返强试验。
The virus was analyzed by the animal pathogenicity test, virus attenuation, protection of the attenuated virus and virulence return experiment.
当我们无保留地，亲切地，有创造力地表达爱的关怀，情人节忧郁症将一去不返。
Valentines' Day blues will be history as we express love and care to others openly, lovingly, creatively.
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