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    1. ratio

      英 ['re?????] 美['re??o]
      • n. 比率,比例

      CET4TEM4IELTS考研CET6中低頻詞核心詞匯

      詞態(tài)變化


      復數(shù):?ratios;

      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》