Oxyhematoporphyrin
氧合血红蛋白色素
🗣️ 情景例句
John proposed marriage to Helen.
绚翰向沦论求婚。
Saturday the whole family will clean out the garage.
周六全家动员打扫车库。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，