V-T To moisten something means to make it slightly wet. 使湿润
She took a sip of water to moisten her dry throat.
她抿了一小口水，润一润自己干燥的喉咙。
He moistened his lips before he spoke.
他润了润嘴唇，接着就开始讲话。
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。
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.
盛行的风穿过带孔的纸板墙，注入凉爽湿润的海水，清爽潮湿的热风也涌了进来。
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