1.So, what it does is basically radiate heat to outer space and also reflect the sunlight so it doesn't get heated up by the sun.
heat up 加熱,變熱,升溫
Then in the last couple of years, the movement for democracy began to heat up.
于是在過去幾年里,民主運動開始升溫 。
In the summer her mobile home heats up like an oven.
在夏天,她的活動住房像個烤箱那樣熱起來 。