详细解释:【医】 O型, 菌体型, 不动型(细菌)
英语解释：
名词 o.:
a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust同义词：oxygen, O, atomic number 8