Likes liking a tug - of - war competition as soon as to start not to beable to stop.

爱就像一场拔河比赛一开始就不能停下来.

Hoping to save the toothless among us from being fated to wearingdentures, scientists are studying how alligators regrow teeth and how the same process may beable to work in humans.

为了摆脱我们因没有牙齿而戴上假牙的命运，科学家们正在研究短嘴鳄牙齿再生的机理以及同样的方式如何能够同样作用于人类。