美[pr??v?nt] 1 . A dentist may decide to extract the tooth to prevent recurrent trouble.
牙醫(yī)可能會決定拔掉那顆牙，以免反復(fù)發(fā)作。
來自柯林斯例句
2 . The security zone was set up to prevent guerrilla infiltrations.
設(shè)立了安全區(qū)以防止游擊隊員的滲入。
來自柯林斯例句
3 . Smear Vaseline on to your baby's skin to prevent soreness.
給孩子皮膚上抹些凡士林以防止腫痛。
來自柯林斯例句
4 . The security forces had to intervene to prevent the situation worsening.
安全部隊不得不介入，以防止局勢進一步惡化。
來自柯林斯例句
5 . Police are out in force to prevent a recurrence of the violence.
警方出動大量警力防止暴力事件再次發(fā)生。
來自柯林斯例句
1.keep from happening or arising; have the effect of preventing;
My sense of tact forbids an honest answer
2.prevent from doing something or being in a certain state;
We must prevent the cancer from spreading
