lightheaded形容词头部混乱;头晕或感到昏厥;因此,头脑飘忽不定;精神错乱。After spinning around in circles for too long, I started to feel lightheaded and had to sit down to regain my balance.在原地打转了太久之后,我开始感到头晕目眩,不得不坐下来重新恢复平衡。轻率;易爆;轻佻。想跟读,去练习