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:O, atomic number 8,
其他语种释义
oxygenとは意味:oxygen n. 酸素. 【動詞+】 ◆administer oxygen to a patient 患者に酸素を吸入させる ◆The patient is not getting enough oxygen. この患者は酸素が不足している ◆give sb oxygen 人に酸素を与える. 【+動詞】 ◆Oxygen combines with hydrogen to form water. ...