Sloping roof window is often used by single layer for keeping warmth, with low thermal effect in the front walls, so the phenomena of dewing is more serious than the plastic steel window.
老虎窗侧一般制做单侧保温，正面墙体的热工状况较差，因此结露的现象更加严重。
But his mother insisted and said, "the cotton of this year is light and warmth-keeping. Have a try and you will know!"
母亲固执地辩解，这是今年的新棉花，轻巧保暖，你试试吧，试试就知道了。
The atmosphere is acting like the glass letting sunlight in while keeping much of the warmth from getting out.
大气层像个玻璃罩，吸入阳光而阻止热量散失。
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