“口腔的”的英语？

然后他向口腔的侧面和后面挤压小量药液.Then he squirt a small amount of medication to the side and back of his mouth.这使蛇可以张开大口,扩大口腔的容量.This enabled snakes to widen their jaws and expand the capacity of their mouths.多贝氏液漱口有助于保持口腔的清洁.Bayesian...