释义
🔑 pro·por·tion AW BrE /prəˈpɔːʃn / NAmE /prəˈpɔːrʃn / noun ➤ part of whole 部分 🔑 [ C + sing./pl. v. ] a part or share of a whole ◆ Water covers a large proportion of the earth's surface . ◆ Loam is a soil with roughly equal proportions of clay , sand and silt . ◆ The proportion of regular smokers increases with age . ◆ A higher proportion of Americans go on to higher education than is the case in Britain . proportion If proportion is used with an uncountable or a singular noun, the verb is generally singular. * proportion 与不可数名词或单数名词连用时，动词一般用单数 ： ◆ A proportion of the land is used for agriculture. 一部分土地作农用。 If the proportion of is used with a plural countable noun, or a singular noun that represents a group of people, the verb is usually singular, but with a (large, small, etc.) proportion of a plural verb is often used, especially in BrE * the proportion of 与复数可数名词或单数集合名词连用时，动词通常为单数；但如果是 a (large, small etc.) proportion of，则常用复数动词，尤其在英式英语中 ： ◆ The proportion of small cars on America's roads is increasing. 美国公路上小型车的比例在逐渐增加。 ◆ A high proportion of five-year-olds have teeth in poor condition. 有较高比例的五岁儿童牙齿不健康。 ➤ relationship 关系 🔑 [ U ] ~ (of sth to sth )the relationship of one thing to another in size , amount , etc . SYN ratio ◆ The proportion of men to women in the college has changed dramatically over the years . ◆ The basic ingredients are limestone and clay in the proportion 2 :1 . ◆ The room is very long in proportion to (= relative to its width . proportion Describing fractions and proportions 描述分数和份额 ◆ According to this pie chart, a third of students' leisure time is spent watching TV. 如饼分图所示，学生的闲暇时间有三分之一都花在看电视上。 ◆ One in five hours is/are spent socializing. 每五个小时中有一个小时花在社交活动上。 ◆ Socializing accounts for / makes up / comprises about 20% of leisure time. 社交活动占去大约百分之二十的闲暇时间。 ◆ Students spend twice as much time playing computer games as doing sport. 学生们玩电脑游戏的时间是做运动时间的两倍。 ◆ Three times as many hours are spent playing computer games as reading. 玩电脑游戏的时间是阅读时间的三倍。 ◆ The figure for playing computer games is three times higher than the figure for reading. 玩电脑游戏的时间比阅读时间多两倍。 ◆ The largest proportion of time is spent playing computer games. 大部分时间都花在玩电脑游戏上。 ➡ note at half ➡ synonyms consist ➡ language bank at expect , fall , illustrate , increase 🔑 [ U , C , usually pl. ] the correct relationship in size , degree , importance , etc . between one thing and another or between the parts of a whole ◆ You haven't drawn the figures in the foreground in proportion . ◆ The head is out of proportion with the body . ◆ an impressive building with fine proportions ◆ Always try to keep a sense of proportion (= of the relative importance of different things . ➤ size /shape 大小；形状 proportions [ pl. ] the measurements of sth ; its size and shape ◆ This method divides the task into more manageable proportions . ◆ a food shortage that could soon reach crisis proportions ◆ a room of fairly generous proportions ➤ mathematics 数学 [ U ] the equal relationship between two pairs of numbers , as in the statement '4 is to 8 as 6 is to 12' ● ˌkeep sth in proˈportion to react to sth in a sensible way and not think it is worse or more serious than it really is ● out of (all ) proˈportion (to sth )larger , more serious , etc . in relation to sth than is necessary or appropriate ◆ They earn salaries out of all proportion to their ability . ◆ The media have blown the incident up out of all proportion .
