科学家们正在努力控制病毒的传播。

Scientists are working on the ___containment of the virus to stop its spread.

政府采取了遏制政策来限制极端主义思想的传播。

The government implemented a policy of ___containment to limit the spread of extremist ideologies.

实验室使用特殊的密封装置作为危险化学品的防护屏障。

The lab uses special ___containment devices as barriers for hazardous chemicals.