學個詞 Learn A Word:2125_lockdown

　　今天我們要學的詞是 lockdown. Lockdown 名詞，有封鎖，禁止出入的意思。Three school were placed on lockdown in response to a bomb threat that turned out to be a hoax. 炸彈威脅讓三所學校啟動封鎖狀態(tài)，結(jié)果發(fā)現(xiàn)所謂的炸彈威脅是有人惡作劇。Sierra Leone imposed a three-day nationwide lockdown, ordering people off the streets, in an effort to fight the outbreak of Ebola. 為了控制埃博拉病毒的擴散，塞拉利昂實行了三天的全國戒嚴，不許民眾上街。 好的，今天我們學習的詞是 lockdown, lockdown, lockdown...