观看惊悚电影时，她感到一种强烈的兴奋感。

While watching the thriller movie, she experienced a strong sense of ___arousal.

浪漫的音乐和昏暗的灯光可以增强性唤起。

Romantic music and dim lighting can enhance ___arousal.

清晨的阳光透过窗帘，慢慢将他从睡梦中唤醒。

The morning sunlight through the curtains gently ___aroused him from sleep.