基本解释n.十字丝;十字准线;准星;目标同根派生 crosshair相关词英汉例句The crosshair is reduced to a dot.准星缩减为一个点。I study very very hard.I have HBS in my crosshair.我非常努力的学习,目标是为了上哈佛。crosshair更多例句