| 释义 |
ratiora·tio AW /ˈreɪʃioʊ ; ˈreɪʃoʊ / noun [countable] (mathematics数学) the relation between two numbers which shows how much bigger one quantity is than another比；比例◆The ratio of students to books in this class is two to one (= there are two times as many students as books).这个班级学生和书的比是二比一。 |