记忆方法
分析：ra——“热爱”的拼音首字母；ti——“踢”的拼音；o——外形像球。
记忆：热爱踢球的人在人群中的比率还是很高的。
记忆：热爱踢球的人在人群中的比率还是很高的。
中文词源
ratio 比率，比例
来自拉丁语 ratio,思考，计算，部分，词源同 rate.-io,名词后缀。引申词义比率。
英语词源
- ratio (n.)
- 1630s, "reason, rationale," from Latin ratio "reckoning, numbering, calculation; business affair, procedure," also "reason, reasoning, judgment, understanding," from rat-, past participle stem of reri "to reckon, calculate," also "think" (see reason (n.)). Mathematical sense "relationship between two numbers" is attested from 1650s.
权威例句
- 1. In 1978 there were 884 students at a lecturer/student ratio of 1:15.
- 1978年有884名学生，师生比为1比15。
- 2. The adult to child ratio is 1 to 6.
- 成人与儿童的比例为1比6。
- 3. What is the ratio of men to women in the department?
- 这个部门的男女比例是多少？
- 4. The ratio of pupils to teachers was 30 to 1.
- 学生和老师的比率是30比1.
- 5. The ratio between the two sides is one to four.
- 双方人数对比是一对四.
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