ratio
UK ['reɪ.ʃi.əʊ] US [-oʊ] (plural ratios)
noun countable
ADVANCED
■the relationship between two groups or amounts, which expresses how much bigger one is than the other 比；比例；比率•The ratio of men to women at the conference was ten to one/10:1.出席会议者的男女比例为10：1。 •The school is trying to improve its pupil-teacher ratio (= the number of teachers compared with the number of students).该校正大力优化其师生间的人数比例结构。 |