The amount of alcohol in his blood was triple the legal maximum.
他血液中的酒精含量为法定最高限量的三倍。
《牛津词典》
2
Most people can tolerate these pressures pretty easily, but passengers with heart disease may experience chest pains as a result of the reduced amount of oxygen flowing through their blood.
大多数人可以轻易忍受这些压力，但是患有心脏病的乘客可能会因血液中氧气的减少而感到胸痛。
3
Some people hold the wrong idea that donating blood does harm to the donor's health, but the truth is that when a small amount of blood is taken out, the body will make a quick adjustment to it.