伊朗核核谈判恢复 防止地区军备竞赛

prevent from阻止, 防止
例句：His prompt action prevented the fire from spreading.
他的果断行动制止了火势的蔓延。

2. “My policy is not containment. My policy is to prevent them from getting a nuclear weapon, because if they get a nuclear weapon that could trigger an arms race in the region, it would undermine our noNPRoliferation goals, it could potentially fall into the hands of terrorists,” Obama said.

fall into掉进, 陷入
例句：Don't let it fall into the hands of the enemy.
不要让它落入敌人手中。

3. Israel sees a nuclear-armed Iran as a threat to its existence and refuses to rule out military action to prevent Tehran from developing an atomic weapon.

rule out宣布…不可能; 排除…的可能性
例句：A sudden storm ruled out the boat race.
突如其来的暴风雨使划船比赛无法进行。

4. President Obama says there is still time to resolve the nuclear stand off peacefully.

stand off疏远, 保持一定距离
例句：The two fleets were standing off from each other.
这两个舰队互相保持一定距离。