ratio
英 ['re?????]
美 ['re??o]
助記提示
分析：ra——“熱愛”的拼音首字母；ti——“踢”的拼音；o——外形像球。
記憶：熱愛踢球的人在人群中的比率還是很高的。
中文詞源
ratio 比率，比例來自拉丁語 ratio,思考，計算，部分，詞源同 rate.-io,名詞后綴。引申詞義比率。
英文詞源
- 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.
雙語例句
- 1. In 1978 there were 884 students at a lecturer/student ratio of 1:15.
- 1978年有884名學生，師生比為1比15。
來自柯林斯例句
- 2. The adult to child ratio is 1 to 6.
- 成人與兒童的比例為1比6。
來自柯林斯例句
- 3. What is the ratio of men to women in the department?
- 這個部門的男女比例是多少？
來自《權威詞典》
- 4. The ratio of pupils to teachers was 30 to 1.
- 學生和老師的比率是30比1.
來自《簡明英漢詞典》
- 5. The ratio between the two sides is one to four.
- 雙方人數(shù)對比是一對四.
來自《現(xiàn)代漢英綜合大詞典》