VOA慢速英语:许多地方已经开始感受到夏至的高温

equator – n. an imaginary circle around the middle of the Earth that is the same distance from the North Pole and the South Pole; the line that divides the Earth into the northern and southern hemispheres

unsung – adj. not given attention and praise that is deserved for doing good things

meteorologist – n. a scientist who studies weather

asphalt – n. a black substance that is used for making roads