ratio
柯林斯词典
1. N-COUNT A ratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three. 比率
The adult to child ratio is one to six. 成人与儿童之比是1比6。
返回 ratio
ratio /ˈreɪʃɪˌəʊ/ (ratios)
剑桥词典
- the relationship between two groups or amounts that expresses how much bigger one is than the other
- Compute the ratio of the object's height to its weight .
- What is the car's power to weight ratio?
- The staff to student ratio has increased dramatically in the last five years .
- The efficiency of a machine is the ratio between the energy it supplies and the energy put into it.
- Pi is the ratio of a circle's circumference to its diameter . 返回 ratio
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。
例句