Two weeks before the official beginning of summer, a heat wave baked the eastern third of the U. s. and Canada, driving temperatures high into the 90s and even 100s.

在夏季正式开始前两周，一股热浪席卷了占美国国土三分之一面积的东部地区和加拿大，使气温高达华氏90多度，甚至达到了100多度。