dart /dɑ:t/ I. n. ［c］1.镖剑：a poisoned dart带毒的镖剑 2.飞快的动作：make a dart at sth.冲向某物 ‖II. vi.&vt.投掷，发射；急冲，突进：The boy darted away like an arrow.那男孩象箭一般地跑开了。She darted an angry look at her husband.她愤怒地朝她丈夫看了一眼。