| 例句 |
A heater introduces warm air to mix with incoming cold air.一个加热器引入了暖空气，使之与新进来的冷空气相混合。Warm air is more buoyant than cool air.暖空气比冷空气的浮力大。Ceiling fans circulated warm air around the room.吊扇使暖空气在房间里循环。Warm air rises and disperses throughout the building.暖空气上升，遍及全楼。A warm packet of air rises quickly.小股暖空气会迅速上升。He leaned out of an upstairs window and felt a current of warm air ascending from the street.他从楼上的窗户探身出去，感到一股暖空气从街上升上来。 |