ratio

ratios 是 ratio 的复数形式,页面展示原形释义。
英 [ˈreɪ.ʃi.əʊ] 美 [ˈreɪ.ʃi.oʊ]
我的生词本 » 报错反馈
  • n. 比率,比例
使用频率★★

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。
看到不对的地方请告诉我们

词族 · ratio

词形变化与派生词,串起来记
词形变化

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.

词语辨析

【proportion, rate, ratio, percentage】
proportion: (两件事物之间的)比,比例, 通常用于各种成分或分配额的比例等;
rate: 常用于表示速率,利率,出生率,死亡率,兑换率等;
ratio: (表示两个数量之间关系的)比,比例, in direct/inverse ratio to 成正比/反比
percentage: 百分比,百分率;

开通会员 · 学习更高效

首发优惠 12月31日止 · 年卡立省 30 元

同义词拓展 / 云端生词本 / 学习计划 / 去广告

查看权益 »