音标：['impækt]
n. 冲击, 冲突, 影响, 效果
vt. 挤入, 撞击, 压紧, 对...发生影响
【医】 冲突, 冲击
【经】 影响, 效果
在线英汉词典

impact的短语、例句：

impact n 1 [U] (a) hitting of one object against another 撞击; 冲击; 碰撞
the impact of a collision 碰撞时的冲击
The bomb exploded on impact, ie at the moment of collision. 炸弹在撞击时立即爆炸. (b) force with which one object hits another 撞击力; 冲击力
He collapsed under the full impact of the blow. 他受到重击而倒下. 2 [C usu sing 通常作单数] ~ (on/upon sb/sth) strong impression or effect on sb/sth 对某人[某事物]的强烈的印象或巨大的影响
Her speech made a tremendous impact on everyone. 她的演说对大家震动很大.
the impact of new methods, technology, etc on modern industry 新方法、 新技术等对现代工业的巨大影响. impact v 1 [I, Tn] press, drive or wedge (sth) firmly into sth; press, etc (two things) together 将（某物）压入或插入另一物; （将两物）挤、 压、 塞...到一起. 2 [Ipr, Tn] ~ (on) sth (esp US) have an effect on sth 对某事物有影响. impacted adj (of a tooth) wedged in the jaw so that it cannot growthrough the gum normally （指牙齿）阻生的
an impactedwisdom tooth 阻生智齿.