a sudden wave of increased pressure or temperature, caused by an explosion, an earthquake, or an object moving faster than the speed of sound(爆炸、地震或超音速飞行物所产生的)冲击波
a very strong reaction that spreads through a group of people when something surprising or bad happens(对惊人的消息或不幸事件的)激烈反应
👨🏻🏫 Mr. Ng 劍橋詞典 📚
切換為繁體中文