单词	纵隔框
释义	纵隔框longitudinal bulkhead
随便看	primary pest primary phase primary phloem primary phloem fiber primary photochemical process primary photochemical reaction primary photoelectric effect primary photolysis primary photometric standard primary phytocoenosium primary pigment cell primary pinion primary pinocytosis vacuole primary pit primary pit field primary pit-field primary planet primary planets primary plant body primary plant succession primary plasmcytoma of the skin primary plasticizer primary poi task primary pollutant primary pollution