The haemoglobin molecule contains only four atoms of iron.血红蛋白分子只含有四个铁原子.Anaemia is a condition in which there is a reduced concentration of haemoglobin in the blood.贫血是在血液里血红蛋白的浓度减少的一种病症.Iron - is a component of haemogl...
Anaemia is a condition in which there is a reduced concentration of haemoglobin in the blood.贫血是在血液里血红蛋白的浓度减少的一种病症.The haemoglobin molecule contains only four atoms of iron.血红蛋白分子只含有四个铁原子.Are haemoglobin and hematid red ...
The medieval town was fortified with a high wall and a deep moat.这座中世纪的城市用高墙深沟来加强防御.A fire on the city gate brings disaster to the fish in the moat.城门失火，殃及池鱼。Boys in the boat bought buoys in the moat.船里的男孩买了护城河里的浮筒.The c...
The other children taunted him with nicknames.其他的孩子用绰号取笑他.Babbs, however , did not believe in nicknames and sternly called the President " Franklin. "可是, 巴布斯不喜欢叫绰号,死死板板地称呼总统 “ 富兰克林. ”He tried to amuse her by calling her ...