Preheated
v. 预热( preheat的过去式和过去分词 )
🗣️ 情景例句
Well, we may read together aloud at home.
嗯 ，我们或许可以在家， 一起大声朗诵。
Karl was so upset that he began to turn red with anger.
卡尔非常惊讶，红着脸开始生气了。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。