鼻内的（intranasal的缩写） IN Drug supply gives advantages like ease of administration and rapid onset of action. 鼻内给药的优点是给药容易效果迅速。 He's often checking out himself from the mirror (= with the image of his facial area made by the mirror). 他老是在镜子前照来照去。 Pop-out player When English speakers talk about time and spot, you can find http://139.59.255.83/