And the poor face puckered up again.

可怜的脸又皱起来了。

She had pale brown teeth and a small puckered up mouth like a dog's bottom.

她有一口浅褐色的牙齿和一张像狗屁股一样皱起的小嘴。

Saliva samples and tongue swabs revealed that after the couples puckered up, about 80 million bacteria from the drink moved mouth to mouth.

而后的唾液样本及舌头化验显示，在情侣接吻后这种饮品中的8千万个细菌通过嘴进行了传递。