Did you actually see the UFO?

见到不明飞行物了吗?

The mechanisms of anti-vertigo and anti-vomiting effects of phenergan is unkown.It is assumed that the effects are based on the anti-coline effect of phenergan.

非那根抗眩晕和呕吐机理尚不明了，推测可能是由于其抗碱作用。