This heated air, drawn down from the roof, then mixes with the greenhouse air as it reaches a second sea-water-moistened cardboard wall at the back of the greenhouse.
从屋顶吸出的这种热空气，在到达温室后部第二个被海水润湿的纸板壁时，便与温室空气混合。
3
Oriented to the prevailing wind, the front wall of perforated cardboard, moistened and cooled by a trickle of seawater pumped in, cools and moistens hot air blowing in.