奥巴马演讲 呼吁调动一切力量共同抗旱
Today, I want to talk about something that most of you know already—it’s hot outside. It’s really hot. And if this feels worse than normal, that’s because it is. We just found out that the month of July was the warmest month on record—warmer than any other month since we began keeping track more than a century ago. But the heat is just half the ...