blast基本解释
n,[力]爆炸；冲击波；一阵,同近
The station master gave a blast on his whistle and we were off..站长一声哨响，我们出发了。
管乐器的声音英释nna sudden very loud noise, especially one made by a whistle or horn
blast furnace,n. 鼓风炉，高炉.短语
