龙卷风是一种强烈的空气涡旋现象。它的形状奇特,上部是灰黑色的积雨云,下部是大象鼻子般的漏斗状云柱。龙卷风气势汹汹而来时,就像一个巨大的吸尘器,把所经之地的一切都吸走——房屋被吹倒、大树被连根拔起,高楼大厦的外墙玻璃被撕碎,马路上一辆辆汽车被瞬间卷走,裹进云团里…… Tornado is a strong air vortex phenomenon. Its peculiar shape, the upper part is a gray-black cumulonimbus, the lower part of the elephant nose like funnel-shaped cloud. When the tornado came in menacing fashion, it was like a giant vacuum cleaner that sucked everything in its path - the houses were blown down, the trees were uprooted, and the glass of the exterior walls of the tall buildings were torn apart, A car was instantly swept away, wrapped in the clouds ... ...