英语语法分析

Since up to four people can benefit from a single pint of blood, Harry Loomer, with a generous donation of 480 pints of blood, has played a big role in helping save hundreds of lives.

由于一品脱的血就可以供四个人使用，哈利·卢默慷慨地献了480品脱的血，在拯救了成百上千人的生命中起了巨大的作用。