扩散: to spread, to proliferate, to diffuse, spread, proliferation, diffusion...
师范: teacher-training, pedagogical, normal (school, e.g. Beijing Normal University)...
斧子: axe, hatchet...
坛: earthen jar...
见义勇为: to see what is right and act courageously (idiom, from Analects); to stand up bravely for the truth, acting heroically in a just cause...
宝石: precious stone, gem...
高血压: high blood pressure, hypertension...
肌肤: skin, flesh, close physical relationship...
