purely
adv. 完全地，仅仅；贞淑地，清洁地
例句
It is a purely academic question.
这是一个纯理论问题。
《牛津词典》
I saw the letter purely by chance.
我看见这封信纯属偶然。
Her interest in him is purely sexual.
她对他感兴趣纯粹是因为性的原因。
