an extremely large wave caused by movement of the Earth under the sea , often caused by an earthquake (= when the Earth shakes )
发音
例句
1. Powerful quake sparks tsunami warning in Japan. 大地震触发了日本的海啸预警。 2. Coastlines all around the Indian Ocean inundated by a huge tsunami. 大海啸把印度洋沿岸地区都淹没了。