They establish that the strongest wave cut a path 300 meters inland.

他们证实最强的浪潮向内陆推进了300米。

Carbon dioxide pollution contributes to health problems, and increases the severity of droughts and heat waves. Cutting carbon dioxide will also reduce the acidification of our oceans.

二氧化碳污染能导致健康问题，加剧旱灾和热气流的强度。减少二氧化碳还能减少海洋的酸化程度。