1. Funnel clouds become tornadoes once they touch the ground. 漏斗云一旦接触到地面就会变成龙卷风。
2. They're making the house that can fight against tornadoes that's why it has an unusual shape. 他们建造的房子可以对抗龙卷风,这就是为什么它有一个不寻常的形状。
3. 272 tornadoes swept the nation in the first half of this month – already breaking the all-time twister-count for April. 272例龙卷风在本月初席卷全国——已经打破了四月份的龙卷风案例。
4. Mobile-phone footage of Arab uprisings and American tornadoes is posted on social networking sites and shown on television newscasts. 手机拍摄的阿拉伯起义和美国龙卷风的画面被发布在社交网站上,并在电视新闻广播中播放。
5. How many tornadoes have there been? 已经出现了几次龙卷风?