| 例句 |
A whoosh of hot air escaped from the vent.一股热风从通风口飘来。She's full of hot air.她满嘴都是空话。The hot air permitted higher speeds before the critical Mach number was exceeded.热空气可使之在超过临界马赫数之前达到更快的速度。It is a fact that hot air rises.热空气会上升是客观事实。On cold days the device periodically provides a burst of hot air, to even out the air temperature.天冷时，这个装置会定期释放热气，使空气温度保持稳定。Heat rises because hot air is lighter than cold air.热气往上升是因为热空气比冷空气轻。Wind is a current of air caused by a vacuum caused by hot air rising.风是由于热空气上升产生真空导致的一种气流运动。His promises turned out to be a lot of hot air.他的承诺到头来只是一句空话。Six day trippers escaped unhurt when their hot air balloon hit power lines.热气球撞到输电线，乘坐在上面的六名一日游游客安然脱身。Her boyfriend is full of hot air.她的男朋友满口大话。His utterances are so much hot air.他的发言大话连篇。I'd come to the conclusion by then that he was all hot air.我那时已得出结论，他只会夸夸其谈。His speech was just hot air.他的话就是吹牛。The theory was dismissed as a lot of hot air.这一理论被认为是空话而没人理会。 |